Question

Why are human beings capable of reproduction after they attain a certain age? What kind of changes takes place in their body?​

Answer 1

Answer:

they are capable of reproduction at a certain age becuz of puberty/ adolescence

Explanation:

secondary sexual characters develop. males : testosterone hormone . females : progesterone, oestrogen hormones are activated.

males can produce sperms and females produce ovum

Answer 2

IN males their growth is happening hairs are growing in private regions and voice become deeper and deeper and in females soft skin less hairs on her body breast become bigger and hips gets more rounded and producing a sex hormone oestrogen and progesterone