Boys have broader shoulders and wider chests compared to girls. This is because:

Broad shoulders increase oxygen supply to the muscles

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Muscles grow more prominently in boys

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Both A and B are correct

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None of the above is correct

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Solution

The correct option is C
Both A and B are correct

In boys, the muscles of the body grow more prominently than in the girls. Thus, having broader shoulders and wider chests, increase the oxygen supply to these muscles.

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Similar questions

Q. Girls have broader shoulders and wider chests compared to boys.

Q. During adolescence, the body of boys and girls undergoes certain changes. Given below are a few of those changes.
(a) Broad shoulders
(b) Wider chests
(c) Wider region below waist
(d) Development of muscles
(e) Development of mammary glands
(f) Growth of facial hair
(g) Acne and pimples on face
(h) Development of sex organs
(i) High-pitched voice
g) Growth of pubic hair.
Categorise these changes into those that occur in boys and those that occur in girls and fill in the table given below.

How do shoulders and chest change in boys during puberty ?

There are two school bags A & B. Bag A is provided with a broader strap, while bag B is provided with a thinner strap. For the same load, a school boy likes bag A as he is comfortable with it; but with bag B, he develops a pain in his shoulders. This is because:

There are two school bags A and B. Bag A is provided with a broader strap, while bag B is provided with a thinner strap. For the same load, a schoolboy likes bag A as he is comfortable with it but with bag B, he develops a pain in his shoulders. This is because:

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Boys have broader shoulders and wider chests compared to girls. This is because:

The correct option is C Both A and B are correct In boys, the muscles of the body grow more prominently than in the girls. Thus, having broader shoulders and wider chests, increase the oxygen supply to these muscles.

The correct option is C
Both A and B are correct

In boys, the muscles of the body grow more prominently than in the girls. Thus, having broader shoulders and wider chests, increase the oxygen supply to these muscles.