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प्रश्न
What are endocrine glands?
उत्तर
The endocrine glands are ductless glands which secrete hormones. They are poured directly into the blood stream and carried to different parts of the body. Hormones act as chemical messengers and coordinate the activities of various body organs. Chemically, hormones are proteins, amino acids or steroids.
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संबंधित प्रश्न
| Hormones | Target gland |
| Thyrotrophin (TSH) | ______ |
Match the items of column I with those of column II
| Column I | Column II | ||
| 1 | β (beta) cells of islets of Langerhans |
a | condition due to undersecretion of thyroxine in adults |
| 2 | Thyroid | b | Glucocorticoids |
| 3 | Cretinism | c | Exophthalmic goitre |
| 4 | Addison's disease | d | Increases heart beat |
| 5 | Hypothyroidism | e | Thyroxine |
| 6 | Myxoedema | f | Adrenal cortex |
| 7 | Adrenaline Under secretion of thyroxine in a child |
h | Under secretion of thyroxine in a child |
Define the following:
Hypersecretion
Name the hormone responsible for the following function:
Increased reabsorption of water in the kidneys
Given alongside are the diagrammatic sketches of some endocrine glands. Observe the figures and answer the following questions:
(i) Label the parts numbered 1 to 5.
(ii) Name the hormones secreted by (2) and (5).
(iii) Which chemicals in our body are greatly affected by hormones?
(iv) What is the chemical nature of hormones?
(v) Name the elements related to the functioning of hormones secreted by the structure (2) and (5).
Choose the Odd One Out
Spermatogenesis in mammalian testes is controlled by ______.
Iodised salt is essential to prevent ______.
Comment on the functions of adrenalin.
Which one of the following statements is correct?
