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Hormones in Animals Video Lecture - Class 10

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1. What are hormones in animals?
Ans. Hormones in animals are chemical substances produced by specialized cells or glands in the body. They act as messengers and are responsible for regulating various physiological processes such as growth, metabolism, reproduction, and behavior.
2. How do hormones function in animals?
Ans. Hormones function in animals by being released into the bloodstream and carried to target cells or organs. They bind to specific receptors on these target cells, triggering a response or signaling the cell to perform a particular function. This allows hormones to regulate and coordinate various activities within an animal's body.
3. What are some examples of hormones in animals?
Ans. Some examples of hormones in animals include insulin, which regulates blood sugar levels, testosterone, which controls male reproductive functions, estrogen, which is involved in female reproductive processes, and adrenaline, which prepares the body for the fight-or-flight response.
4. How are hormones regulated in animals?
Ans. Hormones in animals are regulated through a complex feedback system. When hormone levels reach a certain threshold, the body sends signals to reduce or stop hormone production. Conversely, when hormone levels are too low, the body stimulates the production of hormones. This feedback mechanism helps maintain hormonal balance in animals.
5. What happens when there is a hormonal imbalance in animals?
Ans. A hormonal imbalance in animals can lead to various health issues. For example, an excess of thyroid hormone can result in hyperthyroidism, causing weight loss, increased heart rate, and restlessness. On the other hand, a deficiency of thyroid hormone can lead to hypothyroidism, causing weight gain, fatigue, and sluggishness. Hormonal imbalances may require medical intervention to restore normal hormone levels and alleviate associated symptoms.
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