Which stimulates involuntary uterine muscles to contract?

a. estrogen

b. oxytocin

c. thyroxine

d. human growth hormone

Why is it important that fibrin is insoluble in water?

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.