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प्रश्न
Given ahead is a portion from the human body showing some important structure in ventral (front) view.
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- Where is this portion located in the body?
- Name the structures numbered 1-3.
- State one main function of each of the structures named above.
- Is there any duct to carry the secretions from the structure numbered 2? If so, give its name.
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उत्तर
- This portion of the human being shows a ventral view of the thyroid gland in the neck region.
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- Larynx
- Thyroid gland
- Trachea
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- Larynx: Sound box
- Thyroid gland: Influences the general growth of the body.
- Trachea: The Trachea is called a windpipe.
- The thyroid gland is an endocrine, ductless gland.
संबंधित प्रश्न
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
Fill in the Blanks:
The activities of the thyroid gland are controlled by ______ secreted by the ______.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Calcium is the main element of thyroxin.
Hormone thyroxine, adrenaline, and nonadrenaline are formed from _____________.
Why are thyroid hormones referred to as personality hormones?
Which of the following statements is TRUE for Grave's disease?
Mention the difference between hypothyroidism and hyperthyroidism.
Islets of Langerhans are located in the ______.
Write the main function of the following hormone.
Thyroxine
