Check sibling questions


  • The age at which the sex hormones or gametes begin to be produced in males and females is known as puberty .
  • The various changes that occur during this period are:

PUBERTY IN BOYS - Teachoo.jpg

PUBERTY IN GIRLS - Teachoo.jpg


1. In Males:

  • The voice becomes deep
  • They become muscular
  • Growth of hair is seen in the regions like armpits, genitals, chest and face
  • Chest and shoulders broaden
  • Penis and testes become larger

These changes in males are brought about by the hormone Testosterone produced in testes.


2. In Females:

  • Mammary glands or breasts develop and enlarge
  • Voice becomes shrill
  • Growth of hair is seen in areas like armpits and genitals
  • The thighs and hips broaden due to deposition of fats in these regions
  • Fallopian tubes, Vagina and uterus enlarge
  • Ovary starts releasing eggs and menstruation begins.

These changes in females are caused by the action of hormones estrogen and progesterone.

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PUBERTY IN BOYS Hari growth and Body Shape Voice Cracking Zits Growth of Penis and Testicles PUBERTY IN GIRLS Hari growth & Body Shape Zits Sweat and Body Odour Periods Breasts and Bras PUBERTY IN MALES AND FEMALES Male Enlarged Adam’s apple Facial Hair Broad Shoulders Increased Hair Pubic Hair Mature genital organs Body more muscular Female Mature Breasts Broader Hips Pubic Hair

CA Maninder Singh's photo - Co-founder, Teachoo

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Economics, Accounting and English at Teachoo