Educational worksheet for labeling the human digestive system parts and completing sentences about digestion.

Let's solve this step by step based on the image you've described.

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1. Label the digestive system parts

We are given a diagram of the human digestive system with blank labels (yellow boxes) pointing to different organs. The list of organs to label is:

- Small intestine
- Large intestine
- Mouth
- Oesophagus
- Stomach
- Anus
- Liver
- Pancreas

Now, let’s match each organ to its correct location in the diagram:

1. Mouth – At the top of the head, where food enters.
2. Oesophagus – The tube running down from the mouth to the stomach.
3. Stomach – A J-shaped organ below the esophagus, near the upper left side of the abdomen.
4. Liver – Located above the stomach, on the right side of the abdomen.
5. Pancreas – Behind the stomach, slightly lower and to the left.
6. Small intestine – Coiled tube extending from the stomach; it’s long and winding.
7. Large intestine – Surrounds the small intestine; forms a large loop around it.
8. Anus – At the end of the digestive tract, at the bottom.

#### Labeling the diagram:
From top to bottom (left and right):

- Top left: Mouth
- Middle left (going down): Oesophagus, Stomach, Small intestine
- Top right: Liver
- Middle right: Pancreas
- Bottom right: Large intestine
- Bottom center: Anus

> Note: The exact placement depends on the diagram, but generally:
> - The mouth is at the top.
> - Oesophagus goes down from the mouth.
> - Stomach is just below the esophagus.
> - Liver is on the upper right side.
> - Pancreas lies behind the stomach.
> - Small intestine is the coiled part in the middle.
> - Large intestine surrounds it (especially visible as the colon).
> - Anus is at the very bottom.

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2. Complete the sentences with the words given

We need to fill in the blanks using the correct organ names.

a) The oesophagus is a long tube that pushes the food into the stomach.
✔ *Explanation:* The oesophagus transports food from the mouth to the stomach via peristalsis.

b) The mouth is where the digestive process starts.
✔ *Explanation:* Digestion begins in the mouth with chewing (mechanical digestion) and saliva (chemical digestion).

c) The stomach is like a mixer and it breaks food down into very small pieces.
✔ *Explanation:* The stomach churns food mechanically and mixes it with gastric juices.

d) The pancreas and liver produce juices that help to transform food into nutrients in the small intestine.
✔ *Explanation:* The liver produces bile (stored in the gallbladder), which helps digest fats. The pancreas produces pancreatic juice containing enzymes for carbohydrate, protein, and fat digestion.

e) The large intestine separates the nutrients from the waste.
✔ *Explanation:* The large intestine absorbs water and electrolytes from undigested food, forming solid waste (feces). It doesn't absorb nutrients — that happens in the small intestine — but it does separate waste from remaining fluid.

> ⚠️ Correction: Actually, nutrients are absorbed in the small intestine, not the large intestine. The large intestine mainly reabsorbs water and forms feces. So, the sentence may be slightly misleading.

But since the question says “separates the nutrients from the waste,” and the large intestine processes what remains after nutrient absorption, it's likely referring to the final separation of waste.

However, technically, the small intestine is where most nutrients are absorbed, and the large intestine deals with water and waste formation.

But if we interpret "separates nutrients from waste" as processing the leftover material to form waste, then:

👉 The large intestine is the best answer here, even though it doesn’t absorb nutrients — it handles waste.

Alternatively, if the intended meaning is where nutrients are absorbed, then it would be the small intestine.

But the sentence says: "separates the nutrients from the waste" — which implies after absorption, so the large intestine is the one that manages the final waste.

So, large intestine is acceptable.

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✔ Final Answers:

#### 1. Labels (from top to bottom, left and right):

- Mouth
- Oesophagus
- Stomach
- Small intestine
- Liver
- Pancreas
- Large intestine
- Anus

*(Position depends on diagram layout, but these are the correct labels.)*

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#### 2. Fill in the blanks:

a) The oesophagus is a long tube that pushes the food into the stomach.
b) The mouth is where the digestive process starts.
c) The stomach is like a mixer and it breaks food down into very small pieces.
d) The liver and pancreas produce juices that help to transform food into nutrients in the small intestine.
e) The large intestine separates the nutrients from the waste.

> 💡 Note: For part (d), both liver and pancreas contribute digestive juices, so both should be included.

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Let me know if you'd like a labeled version or explanation in simpler terms!