Epinephrine performs many functions such as –
- Causes an increase in blood pressure due to arteriolar vasoconstriction
- Facilitates glycogenolysis in liver and muscles
- Causes an increase in the heart rate and cardiac output
- Causes dilation of vessels of skeletal muscles, viscera and corona
- Relaxes muscles of the gastrointestinal tract and bronchioles of lungs
- Serves in case of emergency – emergency hormones
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