Nervous system function is supplemented by the actions of the

Nervous system function is supplemented by the actions of the
a) excretory system
b) respiratory system
c) endocrine system
d) circulatory system

Secretions from the endocrine glands are able to reach target organs because
a) they are controlled by the pituitary
b) hormones are secreted directly into the blood
c) the glands are stimulated throughout the body
d) the hypothalamus directs hormone production
 
I think this one is either A or B but I can't decide

Oxytocin, a posterior pituitary hormone, affects
a) smooth muscles in breast alveoli to contract to release milk
b) the mammary glands to produce (secrete) milk
c) striated muscle of the uterus to contract during childbirth
d) cardiac muscle to increase contraction during stressful situations