Question 3:
How does our body respond when adrenaline is secreted into the blood?
Answer:
Adrenalin is a hormone secreted by the adrenal glands in case of any danger or
emergency or any kinds of stress. It is secreted directly into the blood and is
transported to different parts of the body.
When secreted in large amounts, it speeds up the heartbeat and hence supplies more
oxygen to the muscles. The breathing rate also increases due to contractions of
diaphragm and rib muscles. It also increases the blood pressure. All these responses
enable the body to deal with any stress or emergency.
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