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Q.3. How does our body respond when adrenaline is secreted into the blood?
Answers (1)
The rate of heartbeat becomes faster when adrenaline is secreted into the blood so that the supply of oxygen to our muscles is greater. The amount of blood to the digestive system and skin is reduced because the small arteries around the muscles of these organs contract. As a result, it turns the direction of blood towards our skeletal muscles. The respiration function becomes faster due to the contraction of the diaphragm and rib muscles. These responses help the body cope with stress or emergencies.
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