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प्रश्न
How is iodine important to our body?
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उत्तर
Iodine is the active ingredient in the production of thyroxin hormone. If there is insufficient quantity of iodine in food, the thyroxin hormone is not produced. As a result, thyroid gland increases in size which is Visible as a swelling in the neck. This condition is known as goitre.
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संबंधित प्रश्न
Identify the odd one in the following and mention what the rest is:
Given below is a table designed to give the names of the glands, the hormones produced, their chief functions, the effects of oversecretion and undersecretion in respect of thyroid, pituitary and pancreas. Fill up the blanks 1–13.
| S.No. | Source Gland cells | Hormone produced | Chief function | Effect of oversecretion | Effect of undersecretion |
| 1 | (1) ______ | Thyroxine | (2) ______ | (3) ______ | (4) ______ |
| 2 | Beta cells of Islets of Langerhans | (5) ______ | Promotes glucose utilisation by the body cells | (6) ______ | (7) ______ |
| 3 | (8) ______ | Growth hormone | (9) ______ | (10) ______ | Dwarfism |
| 4 | (11) ______ | Vasopressin | Increases reabsorption of water from kidney tubule | (12) ______ | (13) ______ |
Define the following:
Hypothyroidism
Name the Following: Iodine is necessary for the secretion of which hormone.
Give the Technical Term: Name the hormones which lead to the following condition: Myxedema
Fill in the Blanks:
The activities of the thyroid gland are controlled by ______ secreted by the ______.
Write the functions of thyroid hormones.
Describe role of hormones secreted by thyroid gland.
Islets of Langerhans are located in the ______.
Name the following:
The interconnection between the two lobes of thyroid gland (technical term).
