Causes contraction of the smooth muscle in the wall of the uterus. it also stimulates the ejection of milk from the lactating breast.
a. prolactin
b. gonadotropic hormone
c. oxytocin
d. antidiuretic hormone

Results from damage to tiny air sacs in the lungs

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.

Muscles of the body for seventh grade