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Nutrition In Animals

Question
CBSEENSC7001078
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What are villi? What is their location and function?

Solution

Villi are tiny finger-like projections originating from the walls of the small intestine. They increase the surface area for absorption of the digested food. The blood vessels present inside the villi can absorb the nutrients from the digested food.

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Structure of a villus

Some More Questions From Nutrition in Animals Chapter

Write one similarity and one difference between the nutrition in Amoeba and human beings.

Match the items of Column I with suitable items in Column II

-

Column I

-

Column II

(a)

Salivary gland

(i)

Bile juice secretion

(b)

Stomach

(ii)

Storage of undigested food

(c)

Liver

(iii)

Saliva secretion

(d)

Rectum

(iv)

Acid release

(e)

Small intestine

(v)

Digestion is completed

(f)

Large intestine

(vi)

Absorption of water

-

-

(vii)

Release of faeces

Label the following figure of the digestive system.

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A part of human digestive system

Can we survive only on raw, leafy vegetables/grass? Discuss.

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