Question

external and internal changes in boys and girls​

Answer 1

Answer:

Secondary sexual characteristics (External & Internal characteristics):

Boys:

• The growth of facial hair.

• The growth of body hair including underarm, abdomen, chest hair and pubic hair.

• Chest and shoulders widen and body becomes muscular

• Skin becomes more rough and porous, secretion of sweat glands and sebaceous glands increase

• Larynx (Adam’s apple)/voice box protrudes out and voice becomes deep and husk.

Girls:

• Enlargement of breasts

• The growth of body hair, prominently in the underarm and pubic areas.

• Widening of hips

• Changed fat distribution. More fat below the skin, at hips, buttocks and thighs.

• Development of secondary reproductive organs.

Explanation:

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Answer 2

The internal & external changes in girls :

• the girl's ovaries & the reproductive system starts to develop
• menstrual cycle begins
• breasts start developing ( enlargement of breasts )
• body hair develops (pubic, axillary, etc.)
• hips widen
• monthly period happens

The internal & external changes in boys :

• a rapid growth in height

• body hair develops (pubic, axillary, facial, etc.)
• a widening of shoulders
• bones become heavier
• get more muscles