How does our body respond when adrenaline

How does our body respond when adrenaline is secreted into the blood?

Adrenal glands release adrenaline into blood.

(i) The heart begins to beat faster resulting in supply of more oxygen to the muscles.

(ii) The blood to the digestive system and skin is reduced due to the contraction of smooth muscles around small arteries in these organs.This diverts the blood to our skeletal muscles.

(iii) The breathing rate increases because of the contraction of the diaphragm and the rib muscles.

(iv) All these responses together enable the body to be ready to deal with the situation.

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Aug. 22, 2023, 6:35 a.m.
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