Word game: Use the clues to work out the words.
Across
3. Protruding voice box in boys.
4. Glands without ducts
7. Endocrine gland attached to brain
8. Secretion of endocrine glands
9. Pancreatic hormone
10. Female hormone
Down
1. Male hormone
2. Secretes thyroxine
3. Another term for teenage
5. Hormone reaches here through blood stream
6. Voice box
7. Term for changes at adolescence
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AcademicBiologyNCERTClass 8

Across

3. Protruding voice box in boys - Adam's Apple

4. Glands without ducts - Endocrine

7. Endocrine gland attached to the brain - Pituitary

8. Secretion of endocrine glands - Hormone

9. Pancreatic hormone - Insulin

10. Female hormone - Estrogen

Down

1. Male hormone - Testosterone

2. Secretes thyroxine - Thyroid

3. Another term for teenage - Adolescence

5. Hormone reaches here through bloodstream - Target Site

6. Voice box - Larynx

7. Term for changes in adolescence - Puberty

Explanation:

Adolescence starts at 11 years old and lasts up to 19 years. Since this period covers teens, i.e., 13 to 19 years, adolescence is also known as a teen, and adolescents are also called teenagers.

A number of changes occur in boys and girls during adolescence due to sex hormones.

Changes that occur during adolescence are as follows:

  • Increased growth and sudden increase in height
  • Growing pubic and underarm hair
  • Secretion of oil glands and acne formation
  • In boys, growth in facial hair and deepening of voice is noted
  • In girls, breast development and the initiation of menstruation occur.
raja
Updated on 10-Oct-2022 12:46:50

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