Q.

Which of the following hormone is called emergency hormone?

A. Insulin
B. Adrenaline
C. Oestrogen
D. Oxytocir
Answer» B. Adrenaline
Explanation: Adrenaline increases the heart beat and breathing rate which results in the supply of more oxygen to muscles. It reduces the blood to the digestive system and skin; as a result the blood further reaches the skeletal muscles.
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