Question

Assertion : At puberty human male develops
secondary sexual characters.
Reason : At puberty there is decreased
secretion of testosterone in male. please answer fast​

Answer 1

Answer:

assertion is correct but reasoning is wrong..

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Answer 2

Answer:

The assertion is correct but the reason is wrong.

Explanation:

What is puberty?

It is the period at which an organism reaches its sexual maturity, and becomes capable of reproduction. The gonads of the organism (both males and females) start growing and producing gametes and also start secreting sex steroids (testosterone in the case of males and estrogen and progesterone in the case of females).

In the case of humans, puberty is reached at the age of 11-12 years for females and 13 years for males.

Changes during puberty:

At puberty, a number of changes start occurring in both males and females. These changes make both genders look 'distinct' from one another (sexual dimorphism)

These changes are broadly categorised into:

• Primary sexual characteristics, and,
• Secondary sexual characteristics

Primary sexual characteristics:

These are the sexual characteristics that are directly related to the ability to reproduce.

For males, the primary sexual characters are the testes and penis.

For females, the primary sexual characteristics into the development of the ovaries, uterus, and fallopian tubes.

Secondary sexual characteristics:

These are the sexual characteristics that are not directly related to the ability to reproduce. These characteristics are developed due to the stimulation of the sex steroids released from the primary sex organs during puberty.

For males, the secondary sexual characters are:

1. Development of facial, chest, and body hair
2. Development of a muscular body
3. pelvic muscular development

For females, the secondary sexual characters are:

1. Broadening of hips
2. Development of breast
3. Deposition of fat in the subcutaneous tissue layer in the skin.

You can learn more about secondary sexual characteristics by referring to the following links:

Write a short note on the secondary sexual characters.
https://brainly.in/question/807664

What are secondary sexual characters.....
https://brainly.in/question/7037293

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