D. Cyanobacteria one of the first beings
During the research Ambulocetus would be the first to consistently stay in water and Set over time they developed feet arms and <span>hands used to swim.</span>
The answer is that the strength of heart contraction and
blood volume. It is affected by blood volume, stroke volumes, total peripheral
resistance, and HR. It has Increase in any of these will increase blood
pressure. Vasoconstriction of arterioles raises blood pressure upstream in the
arteries
