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3. Differentiate between the arteries and the veins.

4. How does the stomach help in the digestion of food?

5. Write about the small intestine and the large intestine.

Let’s Communicate

Share any two or three things we should do to keep our organs healthy.

H TS Critical Thinking

Why should we trim our nails regularly?

Know More

The liver is unique among organs in its ability to heal itself after harm. Even when
up to 90% of the liver is removed, it can regenerate to its usual size. You can

give a portion of your healthy liver to someone in need. Both your part and the
transplanted part will grow back to normal size in a few weeks.

Let’s Know Experiential Learning

Visit a hospital with the help of your teacher. Learn about the uses of a
stethoscope with the help of a nurse or a doctor. Listen to the heartbeat of
your friend. Count the number of heart beats in a minute.

Let’s Write Conceptual Understanding

How does our body work? Read and re-write the correct sentences.

1. The food we eat goes into our heart.

2. The brain carries oxygen to all parts of our body.

3. The lungs expand when we inhale air.

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