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प्रश्न
What are chemical messengers?
एक पंक्ति में उत्तर
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उत्तर
Endocrine glands control and coordinate the body functions through secreting certain chemical messengers called hormones.
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Chemical Coordination
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संबंधित प्रश्न
Name the source and the function of each of the following hormones:
| Hormone | Source | Function |
| (a) Glucagon | ||
| (b) Thyroxine | ||
| (c) Adrenaline | ||
| (d) Insulin | ||
| (e) Cortisone |
Fill in the blank:
The hormone thyroxine is secreted by ________________.
What causes diabetes?
Given below is an outline of the human body. Draw and label on the diagram.
- the gland that secretes insulin.
- the gland that produce adrenaline.
Define the following term:
Hormones
Match Column I with Columns II and III.
| Column I | Column II | Column III |
| Auxin | Gibberella fujikuroi | Abscission |
| Ethylene | Coconut milk | Intermodal elongation |
| Abscisic acid | Coleoptile tip | Apical dominance |
| Cytokinin | Chloroplast | Ripening |
| Gibberellins | Fruits | Cell division |
Hypertension is developed due to several factors EXCEPT ____________.
Which hormone is responsible for the changes noticed in females at puberty?
With the help of an example, explain how does the feedback mechanism regulate the hormone secretion.
Hormones are secreted directly into the ______.
