Q. 95.0( 2 Votes )
Explain how the human body responds when adrenaline is secreted into the blood.
OR
How does chemical coordination take place in animals?
Answer :
Adrenalin is a hormone secreted by the adrenal glands in case of danger or emergency. This adrenalin hormone is secreted directly into the blood and is transported to different parts of the body. When this adrenalin hormone secreted in large amounts, it speeds up the heartbeat and hence supplies more oxygen to muscles.
OR
Chemical coordination takes place in animals with the help of hormones. The hormone is the chemical messenger that regulates the processes in living organisms. These hormones secreted by glands.
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