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  • The stage where human body starts transferring from childhood to sexual maturity is known as adolescence.
  • Adolescent stage is a “golden time in one’s life”, hence it is filled with full of fun and enjoyment.
  • Puberty involves the physical changes that need to take place in your body to change your childlike body into an adult body.
  • The boys begin their adolescent growth spurt at an average of about 10 years and attains maximum at the age of 18.
  • When the larynx grows larger during puberty, it sticks out at the front of the throat. This is called as Adam's apple.
  • The girl begins her adolescent growth spurt at an average of about 10 years and grows at peak velocity at about 12 years, attains her adult height at about 16 years.
  • In males Testosterone is the hormone initiating the secondary sexual characters, Estrogen is responsible for the production of secondary sexual characters in female.
  • The endocrine system is an integrated system of small organs that involve the release of extra-cellular signaling chemical molecules known as hormones.
  • The gonads, the primary reproductive organs, are the testes in the male and the ovaries in the female.
  • Male sex hormones, as a group, are called androgens.
  • Two groups of female sex hormones are produced in the ovaries, the estrogens and progesterone.
  • The pancreas is both an endocrine gland (producing several important hormones, including insulin), as well as an exocrine gland (secreting pancreatic juice containing digestive enzymes) that pass to the small intestine.
  • The adrenal glands are chiefly responsible for regulating the stress response through the adrenaline.
  • Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's form or structure through cell growth and differentiation.
  • Menarche, the beginning of menstruation in females after puberty, occurs at about age 15.
  • In the reproductive phase of female life, the menstrual cycle, taken between each menses (the start of bleeding), lasts about 28 days.
  • Menopause occurs when this cycle eventually ceases, between the ages of 45 and 55.
  • A balanced diet must contain carbohydrate, protein, fat, vitamins, mineral salts and fibre. It must contain these things in the correct proportions.
  • Meditation is a mental discipline by which one attempts to get beyond the conditioned, "thinking" mind into a deeper state of relaxation.

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