Question

1.Describe the effects of acetylcholine and adrenaline on the function of

a. the heart

b. the lungs

c. the urinary system

d. digestive system

Answer 1

Answer 1:

	Heart	Lungs	Urinary system	Digestive system
Acetylcholine	Decreases the heart rate and decreases the force of contraction	Stimulates M3 muscuranic receptors on smooth muscles of the airway and causes bronchoconstriction	It acts on the detrusor muscle of urinary bladder and causes it to contract due to which urine is pushed from urinary bladder to urethra.	It increases the motility of Gastrointestinal tract
Adrenaline	Increases the heart rate and increases the force of contraction	It opens the airways in the lungs	It increases the arterial pressure which increases urinary output and it also acts on the kidney to decrease the output.	It slows digestion by relaxing the muscles of stomach and Intestine and by decreasing the blood flow to them