Educational worksheet on the human digestive system for students to complete.
Worksheet titled "The Human Digestive System" with a list of words to fill in blanks about digestion process.
PNG
1275×1650
143.4 KB
Free · Personal Use
Quality Assured by Worksheets Library Team
Reviewed for educational accuracy and age-appropriateness
ID: #647468
⭐
Show Answer Key & Explanations
Step-by-step solution for: SOLUTION: Digestive system worksheet - Studypool
▼
Show Answer Key & Explanations
Step-by-step solution for: SOLUTION: Digestive system worksheet - Studypool
Let's solve this step-by-step using the provided word bank and understanding the human digestive system.
- stomach
- chewed
- food
- energy
- rectum
- liver
- mouth
- small intestine
- waste
- saliva
- large intestine
- digestion
- system
- swallow
- tongue
- pharynx
- acid
- absorbed
- liquids
- esophagus
---
---
1. All animals need to eat 1. ________ to get 2. ________ to live.
- Animals eat food to get energy.
- So:
→ 1. food
→ 2. energy
---
3. But in order to use this food, they have to break it down in a process called 3. ________
- Breaking down food is called digestion.
- → 3. digestion
---
4. And so, all animals have a group of connected organs called the digestive 4. ________.
- The group of organs is the system.
- → 4. system
---
5. In humans, the process of digestion begins in the 5. ________ where food is...
- Digestion starts in the mouth.
- → 5. mouth
---
6. ...where food is 6. ________ into small pieces by the teeth.
- Teeth chew food.
- → 6. chewed
---
7. The 7. ________ helps by moving these pieces around.
- The tongue moves food around in the mouth.
- → 7. tongue
---
8. These pieces are covered by 8. ________, or spit.
- Saliva is also known as spit.
- → 8. saliva
---
9. The saliva makes the food slippery so that it is easier to 9. ________.
- Slippery food is easier to swallow.
- → 9. swallow
---
10. Once the food is swallowed, it passes through the 10. ________, which is like a gate...
- After the mouth, food goes through the pharynx (throat), which directs food and air.
- → 10. pharynx
---
11. ...which sends food into the 11. ________ and air into the lungs.
- Food goes into the esophagus, air into the lungs.
- → 11. esophagus
---
12. The food travels down the esophagus and into the 12. ________.
- Then into the stomach.
- → 12. stomach
---
13. Once in the stomach the food is mixed with 13. ________ and crushed some more.
- Stomach uses acid to break down food.
- → 13. acid
---
14. After spending some time in the stomach, the food is sent into the 14. ________ where nutrients are 15. ________.
- From stomach → small intestine.
- Nutrients are absorbed there.
- → 14. small intestine
→ 15. absorbed
---
16. The 16. ________ helps by producing some digestive juices called bile.
- The liver produces bile.
- → 16. liver
---
17. Next, the remaining food goes into the 17. ________ where the 18. ________ are absorbed.
- After small intestine → large intestine
- The large intestine absorbs liquids (water and minerals).
- → 17. large intestine
→ 18. liquids
---
19. The remaining food is called 19. ________ and it is pushed into the 20. ________ where it waits before leaving the body.
- Leftover undigested material is waste.
- Waste goes into the rectum before being expelled.
- → 19. waste
→ 20. rectum
---
1. food
2. energy
3. digestion
4. system
5. mouth
6. chewed
7. tongue
8. saliva
9. swallow
10. pharynx
11. esophagus
12. stomach
13. acid
14. small intestine
15. absorbed
16. liver
17. large intestine
18. liquids
19. waste
20. rectum
---
This passage describes the human digestive system step by step:
1. Mouth: Food is chewed, mixed with saliva, and swallowed.
2. Pharynx & Esophagus: Food passes through the throat and into the esophagus.
3. Stomach: Food mixes with acid and is broken down further.
4. Small Intestine: Most nutrient absorption occurs here.
5. Liver: Produces bile to help digest fats.
6. Large Intestine: Absorbs water and forms waste.
7. Rectum: Stores waste until excretion.
All words from the box are used appropriately and logically fit the context of the digestive process.
✔ Completed!
Word Bank:
- stomach
- chewed
- food
- energy
- rectum
- liver
- mouth
- small intestine
- waste
- saliva
- large intestine
- digestion
- system
- swallow
- tongue
- pharynx
- acid
- absorbed
- liquids
- esophagus
---
Now, let’s go through each blank with reasoning:
---
1. All animals need to eat 1. ________ to get 2. ________ to live.
- Animals eat food to get energy.
- So:
→ 1. food
→ 2. energy
---
3. But in order to use this food, they have to break it down in a process called 3. ________
- Breaking down food is called digestion.
- → 3. digestion
---
4. And so, all animals have a group of connected organs called the digestive 4. ________.
- The group of organs is the system.
- → 4. system
---
5. In humans, the process of digestion begins in the 5. ________ where food is...
- Digestion starts in the mouth.
- → 5. mouth
---
6. ...where food is 6. ________ into small pieces by the teeth.
- Teeth chew food.
- → 6. chewed
---
7. The 7. ________ helps by moving these pieces around.
- The tongue moves food around in the mouth.
- → 7. tongue
---
8. These pieces are covered by 8. ________, or spit.
- Saliva is also known as spit.
- → 8. saliva
---
9. The saliva makes the food slippery so that it is easier to 9. ________.
- Slippery food is easier to swallow.
- → 9. swallow
---
10. Once the food is swallowed, it passes through the 10. ________, which is like a gate...
- After the mouth, food goes through the pharynx (throat), which directs food and air.
- → 10. pharynx
---
11. ...which sends food into the 11. ________ and air into the lungs.
- Food goes into the esophagus, air into the lungs.
- → 11. esophagus
---
12. The food travels down the esophagus and into the 12. ________.
- Then into the stomach.
- → 12. stomach
---
13. Once in the stomach the food is mixed with 13. ________ and crushed some more.
- Stomach uses acid to break down food.
- → 13. acid
---
14. After spending some time in the stomach, the food is sent into the 14. ________ where nutrients are 15. ________.
- From stomach → small intestine.
- Nutrients are absorbed there.
- → 14. small intestine
→ 15. absorbed
---
16. The 16. ________ helps by producing some digestive juices called bile.
- The liver produces bile.
- → 16. liver
---
17. Next, the remaining food goes into the 17. ________ where the 18. ________ are absorbed.
- After small intestine → large intestine
- The large intestine absorbs liquids (water and minerals).
- → 17. large intestine
→ 18. liquids
---
19. The remaining food is called 19. ________ and it is pushed into the 20. ________ where it waits before leaving the body.
- Leftover undigested material is waste.
- Waste goes into the rectum before being expelled.
- → 19. waste
→ 20. rectum
---
✔ Final Answer Key:
1. food
2. energy
3. digestion
4. system
5. mouth
6. chewed
7. tongue
8. saliva
9. swallow
10. pharynx
11. esophagus
12. stomach
13. acid
14. small intestine
15. absorbed
16. liver
17. large intestine
18. liquids
19. waste
20. rectum
---
📌 Summary Explanation:
This passage describes the human digestive system step by step:
1. Mouth: Food is chewed, mixed with saliva, and swallowed.
2. Pharynx & Esophagus: Food passes through the throat and into the esophagus.
3. Stomach: Food mixes with acid and is broken down further.
4. Small Intestine: Most nutrient absorption occurs here.
5. Liver: Produces bile to help digest fats.
6. Large Intestine: Absorbs water and forms waste.
7. Rectum: Stores waste until excretion.
All words from the box are used appropriately and logically fit the context of the digestive process.
✔ Completed!
Parent Tip: Review the logic above to help your child master the concept of the human digestive system worksheet answer key.
