Question

define keywords of science class 8 ch 10 of kv in english plz.....​

Answer 1

Answer:

1) Adam's apple - The part at the front of the throat which moves up and down when a men talks or swallow

2) Adolescence - The period of a person's life between being a child and becoming an adult between the ages of about 13 to 17

3) Adrenalin - A hormones secreted by adrenal glands that increases rate of blood circulation, breathing and carbohydrate metabolism and prepares muscle for excretion

4) Balanced diet - A diet consisting of variety of different types of food and providing adequate amounts of the nutrients necessary for good health

5) Endocrine gland - The glands and organs that make hormones and release them directly into the blood stream

6) Estrogen - A hormone produced in a woman's body that makes her develop female physical and sexual characteristics

7) Hormones - A substance in your body that influences growth and development

8) Insulin - A hormone which is secreted by pancreas and helps to maintain blood glucose level

9) Larynx - The area of the throat which contains vocal cords and used for breathing, swallowing and talking

I hope this will help you

Answer 2

Answer:

1. Adam’s apple: The protruding part of the throat is called Adam’s apple.

2. Adolescence: The period of life, when the body undergoes changes, leading to reproductive maturity, is called adolescence.

3. Adrenalin: It helps the body to adjust to stress when one is very angry, embarrassed, or worried.

4. Balanced diet: It means that the meals include proteins, carbohydrates, fats, and vitamins in requisite proportions.

5. Hormones: They are secretions from endocrine glands or the endocrine system.

6. Estrogen: Once puberty is reached in girls, ovaries begin to produce the female hormone or estrogen which makes the breasts develop.

7. Hormones: The changes which occur in adolescence are controlled by hormones.

8. Insulin: The function of the insulin hormone is to lower the blood sugar level.

9. Larynx: It is a part of the throat. It is responsible for the production of sound.

10. Pituitary glands: These glands secrete hormones.

11. Puberty: The human body undergoes several changes during adolescence.

12. Reproductive health: Reproductive health refers to complete physical, mental, and social well-being.

13. Secondary sexual characters: Secondary Sexual Characters are those characters that distinguish a male from a female.

14. Sex Chromosomes: All human beings have 23 pairs of chromosomes in the nuclei of their cells.

15. Testosterone: These are the male hormones.

16. Thyroxine: It is the hormone produced by the thyroid.

17. Voice Box: At puberty, the voice box or the larynx begins to grow.

Explanation:

To know more about Reproduction System click the link below

https://brainly.in/question/17679865

To know more about Adolescence click the link below

https://brainly.in/question/7361669

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