Respiratory System Teaching Activity Worksheets - Free Printable

Let's solve this step-by-step based on the image you've described. The task is to label each description and draw an arrow showing where it is located on the human respiratory system diagram. We are given a list of descriptions and a set of terms at the bottom (lungs, throat, diaphragm, nose, mouth) to use for labeling.

---

Step 1: Understand the Diagram

The image shows a human torso with the respiratory system outlined:
- The nose and mouth at the top
- The throat (pharynx) below them
- The trachea (windpipe) going down to the lungs
- The lungs on both sides of the heart
- The diaphragm at the base of the lungs

---

Step 2: Match Each Description to the Correct Term

We’ll go through each description one by one:

#### 1. "Use this to inhale and exhale; the passing air also heat and moisten the air."
- This refers to the nose.
- The nose warms, moistens, and filters air before it enters the respiratory system.
- ✔ Label: *nose* → Arrow points to the nose

#### 2. "Use this to inhale and exhale."
- This could refer to either the mouth or nose, but since the previous one already mentioned the nose, this is likely the mouth.
- The mouth is another entry point for air.
- ✔ Label: *mouth* → Arrow points to the mouth

#### 3. "Air flows down from your mouth."
- Air travels from the mouth into the throat (pharynx), then down the trachea.
- So, the correct term here is throat.
- ✔ Label: *throat* → Arrow points to the throat

#### 4. "The tube that air connects to your lungs."
- This is the trachea (windpipe), which connects the throat to the lungs.
- However, "trachea" is not in the word bank. But throat is listed — but throat is not the tube directly connecting to lungs.
- Wait! The word bank includes: lungs, throat, diaphragm, nose, mouth
- The trachea isn't listed, but the throat leads to it. But let’s reevaluate.
- Actually, “the tube that connects to your lungs” is the trachea, but since it's not in the options, perhaps the intended answer is throat, as it’s the pathway.
- But throat is not a tube that directly connects to lungs — it’s more of a passageway.
- Alternatively, maybe the question assumes throat includes the trachea?
- Let’s look again: the diagram shows a long tube going down — that's the trachea.
- But the only possible choices are: lungs, throat, diaphragm, nose, mouth
- Since trachea is not in the list, perhaps the closest match is throat, even though it's not perfectly accurate.
- But wait — there’s a better fit: the lungs are where air goes, but they're not the tube.
- Hmm.

Wait — perhaps we misread. Let’s check all terms:

Available labels: lungs, throat, diaphragm, nose, mouth

So no “trachea” or “windpipe” — so the best match for “the tube that connects to your lungs” might be throat, because the throat leads to the trachea and lungs.

But actually, in many simplified diagrams, the throat is shown as part of the airway leading to the lungs.

Alternatively, maybe the lungs are meant to be labeled for “air is pulled into the lungs…”?

Let’s proceed carefully.

---

Let’s re-evaluate all descriptions with the available terms:

---

Final Matching:

1. "Use this to inhale and exhale; the passing air also heats and moistens the air."
→ nose
✔ Arrow to nose

2. "Use this to inhale and exhale."
→ mouth
✔ Arrow to mouth

3. "Air flows down from your mouth."
→ This describes the path from mouth → throat → trachea → lungs
But the throat is the next structure after mouth.
✔ So label: throat
Arrow to throat

4. "The tube that air connects to your lungs."
This is ambiguous. The trachea is the tube, but not in the list.
But the lungs are the destination.
Wait — perhaps this is referring to the lungs? But lungs aren’t a tube.

Alternative idea: Maybe “the tube” is the trachea, but since it’s not in the list, perhaps the throat is being used loosely.

But let’s see the next one.

5. "There is a right and left one that takes in the air when you inhale."
→ This clearly refers to the lungs — two lungs, one on each side.
✔ Label: lungs
Arrow to lungs

6. "Air is pulled into the lungs and pushed out of the lungs with this."
→ This is the diaphragm — the muscle that contracts and relaxes to move air in and out.
✔ Label: diaphragm
Arrow to diaphragm

---

Now back to #4: "The tube that air connects to your lungs."

Since the only remaining unassigned term is throat, and it’s the passageway, perhaps it’s acceptable.

But wait — we have:

- nose – used
- mouth – used
- throat – used for #3
- lungs – used for #5
- diaphragm – used for #6

All terms are used once.

So now let’s assign each description to a term:

| Description | Term |
|------------|------|
| Use this to inhale and exhale; the passing air also heats and moistens the air. | nose |
| Use this to inhale and exhale. | mouth |
| Air flows down from your mouth. | throat |
| The tube that air connects to your lungs. | ??? |

But “the tube that connects to your lungs” — this should be the trachea, but it's not in the list.

Wait — maybe throat is meant to represent the entire airway, including trachea?

Alternatively, perhaps the lungs are the target, but not the tube.

Wait — maybe the throat is the correct answer here too? But it’s already used.

No — each term can only be used once.

Let’s recheck:

- #3: "Air flows down from your mouth" → this is throat, because air goes from mouth → throat → lungs
- #4: "The tube that connects to your lungs" → this is the trachea, but not in list
- But throat is the only other option — and it's the passage.

But perhaps in this context, “throat” includes the trachea?

Alternatively, maybe the lungs are the final destination, but not the tube.

Wait — perhaps the lungs are the ones that take in air (#5), and the tube is implied to be the throat?

But #3 already uses throat.

Maybe the order is not fixed?

Let’s try matching:

Let’s list all descriptions and assign the most logical term:

1. "Use this to inhale and exhale; the passing air also heats and moistens the air."
→ nose ✔

2. "Use this to inhale and exhale."
→ mouth ✔

3. "Air flows down from your mouth."
→ This is the throat (pharynx/larynx) — air moves from mouth to throat
→ throat ✔

4. "The tube that air connects to your lungs."
→ This is the trachea, but not in list.
But the lungs are the organs, not the tube.
Wait — perhaps this is a mistake in wording? Or perhaps it means the lungs are the structures where air ends up?

But it says “the tube”.

Wait — perhaps throat is being used for the entire airway?

But #3 already uses throat.

Unless the same term can be used twice? Probably not.

Wait — maybe the lungs are not the tube, but the diaphragm is a muscle, not a tube.

Hmm.

Alternative interpretation:

Perhaps “the tube that air connects to your lungs” is referring to the bronchi or trachea, but again, not in list.

But the only remaining terms are:

- lungs
- throat
- diaphragm
- nose
- mouth

We’ve used: nose, mouth, throat

Left: lungs, diaphragm

Now:

#5: "There is a right and left one that takes in the air when you inhale."
→ Clearly lungs ✔

#6: "Air is pulled into the lungs and pushed out of the lungs with this."
→ diaphragm ✔

So #4 must be one of the used terms — but all are used.

Wait — maybe the descriptions are not in order? And we can reuse terms?

But usually, such activities require using each term once.

Let’s count:

- Descriptions: 6
- Terms: 5

Wait — there are 6 descriptions but only 5 terms!

Let’s count:

1. Use this to inhale and exhale; the passing air also heats and moistens the air.
2. Use this to inhale and exhale.
3. Air flows down from your mouth.
4. The tube that air connects to your lungs.
5. There is a right and left one that takes in the air when you inhale.
6. Air is pulled into the lungs and pushed out of the lungs with this.

That’s 6 descriptions, but only 5 terms: lungs, throat, diaphragm, nose, mouth

So one description must be assigned to a term that appears multiple times? Or perhaps one term is used for two?

But that seems unlikely.

Wait — maybe throat is used for two descriptions?

But let’s see if any description fits lungs or diaphragm for #4.

#4: "The tube that air connects to your lungs."
→ This is the trachea, not the lungs.

But perhaps the lungs are considered the "tube"? No.

Alternatively, maybe the throat is the correct answer for #4, and #3 is something else.

Wait — #3: "Air flows down from your mouth."
→ This is describing the throat — air goes from mouth to throat.

#4: "The tube that air connects to your lungs."
→ This is the trachea, but not in list.

But the throat is often referred to as the airway.

In many simplified diagrams, throat is used to mean the entire upper airway.

But still, it’s not a tube connecting to lungs — it’s the beginning.

Wait — perhaps the lungs are the end, but not the tube.

Another possibility: maybe the diaphragm is not the tube.

Wait — perhaps the throat is the correct answer for #4, and #3 is about the mouth?

No — #3 says “air flows down from your mouth” — so it’s about the throat.

Let’s try assigning:

- #1: nose
- #2: mouth
- #3: throat
- #4: ???
- #5: lungs
- #6: diaphragm

Only five terms, six descriptions.

Ah! Wait — the throat is listed twice in the word bank? No, it's listed once.

Word bank: lungs, throat, diaphragm, nose, mouth — 5 items

But 6 descriptions.

So one description must be matched to a term that is used twice, or there's a mistake.

Wait — perhaps the throat is used for both #3 and #4?

But #3: “Air flows down from your mouth.” → throat

#4: “The tube that air connects to your lungs.” → this is the trachea, but not in list.

But maybe in this context, “throat” includes the trachea.

Or perhaps the lungs are the tube? No.

Wait — maybe the throat is the only tube-like structure in the list.

So perhaps:

- #4: “The tube that air connects to your lungs.” → throat (even though it's not entirely accurate)

But then #3 would also be throat.

But we can only use each term once.

Unless the activity allows reuse.

But typically, no.

Wait — perhaps the lungs are the destination, but not the tube.

Another idea: maybe the diaphragm is not a tube.

Let’s re-read #4: “The tube that air connects to your lungs.”

This is likely the trachea, but not in list.

But the throat is the only plausible choice.

Perhaps the throat is intended to be used for both #3 and #4.

But let’s look at the image.

In the diagram, the throat is the area just below the mouth and nose, leading to the trachea.

The trachea is the long tube down to the lungs.

But in many educational diagrams, especially for younger students, the throat is used to describe the entire airway.

So perhaps:

- #3: “Air flows down from your mouth.” → throat (as the passage)
- #4: “The tube that air connects to your lungs.” → throat (again)

But that would require using “throat” twice.

But the instruction says “label each description” and “make an arrow”, so perhaps multiple arrows can point to the same organ.

But the word bank has only one “throat”.

However, in some versions, the word bank may allow reuse.

But let’s assume each term is used once.

Then we have a problem.

Wait — perhaps I miscounted.

Let’s list the terms again: lungs, throat, diaphragm, nose, mouth — 5 terms

Descriptions: 6

So one description must be redundant or misworded.

But let’s see if any description can be paired with a different term.

Wait — perhaps #2: “Use this to inhale and exhale.” — this could be nose or mouth.

But #1 already says “use this to inhale and exhale; the passing air also heats and moistens the air.” — this is nose.

So #2 must be mouth.

Similarly, #6: “Air is pulled into the lungs and pushed out... with this.” → diaphragm

#5: “There is a right and left one...” → lungs

#3: “Air flows down from your mouth.” → throat

#4: “The tube that air connects to your lungs.” → ???

Only one term left: throat is used, lungs used, etc.

Wait — no, all are used except for #4.

But we have no term left.

Unless “throat” is used for #4, and #3 is something else.

But #3 is about air flowing down from mouth — that’s the throat.

Perhaps the lungs are the “tube”? No.

Another possibility: maybe the diaphragm is not the only thing involved, but it's the muscle.

Wait — perhaps the throat is the correct answer for #4, and the activity allows using it for multiple descriptions.

Given the constraints, here's the most logical assignment:

Final Answer:

1. "Use this to inhale and exhale; the passing air also heats and moistens the air."
→ nose
→ Arrow to nose

2. "Use this to inhale and exhale."
→ mouth
→ Arrow to mouth

3. "Air flows down from your mouth."
→ throat
→ Arrow to throat

4. "The tube that air connects to your lungs."
→ throat (in this context, the throat is the airway leading to lungs)
→ Arrow to throat (same as #3)

But that’s two arrows to throat.

Alternatively, perhaps the lungs are the "tube"? No.

Wait — maybe the lungs are the destination, but the tube is the trachea, not listed.

Perhaps the word bank is missing “trachea”, but in this case, we must use what's given.

Another idea: maybe the diaphragm is not the tube.

Wait — perhaps the lungs are the ones that connect, but they are not tubes.

I think the best we can do is:

- #4: “The tube that air connects to your lungs.” → throat (as the airway)

Even though it's not perfect, in simple terms, the throat is the passage.

And since #3 is “air flows down from your mouth”, that’s also the throat.

So both #3 and #4 point to throat.

That might be acceptable.

But let’s see if there’s a better way.

Wait — perhaps the lungs are the "tube" in a metaphorical sense? No.

Another thought: maybe the diaphragm is the muscle, not a tube.

I think the only reasonable conclusion is:

- #4: “The tube that air connects to your lungs.” → throat (used for both #3 and #4)

But since the instructions say “label each description”, we can have two arrows to the same organ.

So final labeling:

1. nose → arrow to nose
2. mouth → arrow to mouth
3. throat → arrow to throat
4. throat → arrow to throat (again)
5. lungs → arrow to lungs
6. diaphragm → arrow to diaphragm

But that uses “throat” twice.

But the word bank has only one “throat”.

So perhaps the activity expects:

- #3: throat
- #4: lungs? No.

Wait — perhaps #4 is meant to be lungs, but it says “the tube”.

But lungs are not a tube.

Unless it's a typo.

Perhaps “the tube” is a mistake, and it should be “the organ”.

But as is, the best fit is throat for both #3 and #4.

Alternatively, maybe the lungs are the "tube" in a simplified view.

But that doesn't make sense.

After careful analysis, here is the most accurate assignment:

Correct Solution:

1. "Use this to inhale and exhale; the passing air also heats and moistens the air."
→ nose
→ Arrow to nose

2. "Use this to inhale and exhale."
→ mouth
→ Arrow to mouth

3. "Air flows down from your mouth."
→ throat
→ Arrow to throat

4. "The tube that air connects to your lungs."
→ throat (in this context, the throat is the airway)
→ Arrow to throat (same location)

5. "There is a right and left one that takes in the air when you inhale."
→ lungs
→ Arrow to lungs

6. "Air is pulled into the lungs and pushed out of the lungs with this."
→ diaphragm
→ Arrow to diaphragm

Even though “throat” is used twice, it's the only term that fits both #3 and #4.

Alternatively, if the activity allows, you could write “throat” for both.

But since the word bank has only one “throat”, perhaps it's intended to be used for #3, and #4 is a mistake.

But given the information, this is the best solution.

---

Summary of Answers:

| Description | Term |
|-----------|------|
| 1. Use this to inhale and exhale; the passing air also heats and moistens the air. | nose |
| 2. Use this to inhale and exhale. | mouth |
| 3. Air flows down from your mouth. | throat |
| 4. The tube that air connects to your lungs. | throat |
| 5. There is a right and left one that takes in the air when you inhale. | lungs |
| 6. Air is pulled into the lungs and pushed out of the lungs with this. | diaphragm |

Arrows:
- Draw arrow from #1 to nose
- Draw arrow from #2 to mouth
- Draw arrow from #3 to throat
- Draw arrow from #4 to throat
- Draw arrow from #5 to lungs
- Draw arrow from #6 to diaphragm

Even though “throat” is used twice, it's the only logical choice for both #3 and #4 in this simplified model.

If the activity requires unique terms, then there may be an error in the worksheet.

But based on standard biology education at this level, this is the intended solution.

---

✔ Final Answer:

- nose → for description 1
- mouth → for description 2
- throat → for descriptions 3 and 4
- lungs → for description 5
- diaphragm → for description 6

With arrows pointing to the respective locations on the diagram.