Oxytocin is a hormone that controls many responses and functions in the body, including uterine contractions during labor the movement of the baby down the uterus and into the cervix activates stretch receptors, which stimulate the hypothalamus to release more oxytocin and increase the frequency of contractions. this is an example of

a. a negative feedback loop .
b. a positive feedback loop
c. acclimatization
d. vasoconstriction
e. osmoregulation

Answer:

Option B. a positive feedback loop

Explanation:

This happens when the product of the reaction is more than that of the reaction. In homeostasis this type of positive feedback loop that can move away. It exacerbates the effect of small disturbance. It also strengthens the change in physiological condition body rather than reversing the change. A slight change in the normal range will result in greater change, and hence the system diverts more from the normal range. It can only be considered normal with definite end point.

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.