Explain the feed back mechanism for regulation of hormonal secretion with the help of one example.?

Question

Answer

Feedback Mechanism :

♦ Timing and amount of hormones released by various glands is regulated by a mechanism called feedback mechanism.

♦ It is build up within our body.

For instance,

It is due to this mechanism, pancreases produce more insulin when blood glucose level rises. Insulin decreases glucose level.

Similarly, when blood glucose level falls than normal, pancreases produce more glucagon to increase glucose level in blood.

Thus, feedback mechanism is vital for proper functioning of our endocrine system.

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Answer

Regulation of growth hormonr is controlled by a mechanism called feedback mechanism.

ex-carbhohydrates rich meal taken
|
glucose level rise
|
pancreatic bita cells secrete insulin
|
insulin stimulate cells to take up glucose
|
glucose level falls in blood

Answer

Feedback Mechanism for Regulation of Hormonal Secretion
The feedback mechanism plays a crucial role in regulating hormonal secretion in the body. It involves a series of signals that inform the endocrine glands about the levels of hormones in the bloodstream, allowing them to adjust their secretion accordingly.

Example: Regulation of Blood Glucose Levels
- Stimulus: When blood glucose levels rise after a meal, the pancreas detects this increase.
- Response: The pancreas secretes the hormone insulin in response to high blood glucose levels.
- Effect: Insulin helps cells take up glucose from the bloodstream, lowering blood glucose levels.
- Feedback: As glucose levels drop, the pancreas senses this decrease and reduces insulin secretion.
- Balance: This negative feedback loop helps maintain blood glucose levels within a normal range.
In this example, the feedback mechanism ensures that blood glucose levels are tightly regulated. This is essential for overall metabolic health and prevents conditions like diabetes. By continuously monitoring hormone levels and adjusting secretion, the body can maintain homeostasis and function optimally.

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