Question

Analyse the statements given below and write the reason.

a. Oxytocin is injected in pregnant women during child birth (delivery). 

b. Feels sleepy during night, wakes up when day breaks.

Answer 1

a. Facilitates child birth by stimulating the contraction of smooth muscles in the uterine wall.

b. When the level of melatonin increases at night, we feel sleepy. We wake up when the level of melatonin decreases during the day.