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प्रश्न
What is a hormone?
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उत्तर
A hormone is defined as a chemical substance produced by the endocrine glands situated in one part of the body and carried by the blood to some other parts of the body in order to exert its regulating and co-ordination effect on the cells of a specific organ or tissue.
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संबंधित प्रश्न
Give an example of a blood pressure lowering hormone.
Give an example of androgens.
Which one of the following is not an endocrine gland?
What do you mean by endocrine system?
Complete the following:
| Gland/Organ | Hormone | Function |
| (i) Stomach | __________ | __________ |
| (ii) Parathyroid | __________ | __________ |
| (iii) __________ | __________ | Lowers blood sugar level. |
| (iv) Adrenal medulla | __________ | __________ |
| (v) Pancreas (Alpha cells) | __________ | __________ |
| (vi) Testes | __________ | __________ |
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Hormones are produced by endocrine gland.
Iodised salt is essential to prevent ______.
Name the layers of adrenal cortex and mention their secretions.
Select the right match of endocrine gland and their hormone among the options given below
| Column I | Column II |
| A. Pineal | i. Epinephrine |
| B. Thyroid | ii. Melatonin |
| C. Ovary | iii. Estrogen |
| D. Adrenal medulla | iv. Tetraiodothyronine |
Given below is the figure showing the human urinary system with structures labelled A to D. Select the option which correctly identifies them and gives their function.
