The diameter of arterioles is regulated by .

A.) the skeletal muscle pump
B.) the parasympathetic division of the ANS adjusting diameter to regulate systemic blood pressure
C.) local factors (chemicals) in peripheral tissues signaling smooth muscle cells to either contract or relax
D.) valves inside the arterioles
E.) precapillary sphincters

Match with o for organic and i for inorganic for each compound

How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.

The area of shoreline that is ultimately exposed and submerged is the