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You are here: Home / Class 10 / How do organism Reproduce / Puberty

Puberty

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 3 Comments

Question 1 What is puberty?

Question 2 Define the term adolescence?

Question 3 What common changes occur in girls during puberty?

Question 4 What common changes occur in boys during puberty?

Puberty
The time between childhood and adulthood is called adolescence.
The age at which sex hormones(or gametes)begin to be produced and boy and girl become sexually mature is called puberty.
Boys=13-14 yrs
Girls=10-12 yrs
Male gonads called testes produce male gamete called sperm.Testes produce sex hormone called testosterone.
Female gonads called ovary produce eggs.Ovaries produce sex hormones called oestrogen,progesterone.

Common changes in boys and girls at puberty
1)Hair grow under armpits,in genital area between the thighs.
2)Thinner hair appear on arms and legs.
3)Skin become oily and develops pimples.

Girls
1)Breasts develop and enlarge.
2)Hips broadens
3)Extra fat is deposited in various parts of body like hip and thigh.
4)Fallopian tubes,vagina,uterus enlarges.
5)Feeling and sexual drives.

Boys
1)Hairs grow on chest,face(beard,moustache)
2)Body become muscular.
3)Voice deepens
4)Chest and shoulder broaden.
5)Penis and testis become large.
6)Testes produce sperm.
7)Feeling and sexual drives.

Filed Under: How do organism Reproduce, Class 10 Tagged With: adolescence, oestrogen, progesterone, puberty, testosterone

About Mrs Shilpi Nagpal

Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. She has started this educational website with the mindset of spreading Free Education to everyone.

Reader Interactions

Comments

  1. Prachi Munot says

    June 20, 2017 at 8:51 pm

    GREAT!!!!

    Reply
    • Tia says

      September 8, 2020 at 6:38 pm

      Really good informative site.

      Reply
  2. Ashutosh Subudhi says

    November 21, 2020 at 7:18 pm

    This is really good information Ma’am , it really helped me a lot for my exam preparation.
    Thank you

    Reply

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