Question

4.What is the target organ of adrenaline hormone.Explain how it acts on that and what is its effect?​

Answer 1

A hormone is a chemical substance, produced by a gland and carried in the bloodstream, which alters the activity of specific target organs . An example of this is the release of the hormone adrenaline, which is released by the adrenal gland. One of its target organs is the heart, where it increases the heart rate.

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Answer 2

Source of Adrenaline Hormone

Adrenal gland

(position : just above the kidney)

Target organs of Adrenaline Hormone

Adrenaline have a several number of target organs specially Including respiratory and circulatory organs , like lungs and heart .

Role of Adrenaline Hormone

Adrenaline is secreted into the blood during the emergency situations of fear , fight or flight as it prepares the body for defending itself , and to fight the danger .

( Generally Adrenaline Hormone is secreted in small amounts all the time but in Large amounts when a person is frightened or excited .and When it is secreted in Large amounts it prepares the body for action. )

→ Adrenal glands are often called glands of emergency.

Effects of Adrenaline Hormone on the Body

• Increase in the rate of Heart beats
• increase of breathing rate in lungs resulting in more oxygen to muscles
• increase in blood pressure
• enlargement in pupil of eye
• sweating
• nervousness
• Reduces the blood to the digestive system and skin , as a result blood is diverted to skeletal muscles.
• change in the Carbohydrate metabolism.