Pushing blood up from the lower extremities in the veins is most predominately by   A. increased cardiac output B. increase ADH secretion C. valves in the veins D. skeletal muscle contraction E. None of the above  

Cells that are considered cytotoxic are ______, where as these cells secrete antibodies _______.

Quickest way to allow for increased nutrient exchange between blood and cells that are deprived of nutrients would be to ______.

Blood pressure is lowest here.

Increased degranulation of basophils can lead to ________.

Decreased levels of pH in the blood will result in decreased A. cardiac output. B. parasympathetic stimulation of the heart. C. blood flow to the lungs. D. heart rate. E none of the above

Blood is supplied to the myocardium by   A. the coronary sinus. B. contact with blood in the pumping chambers. C. arteries that branch from the pulmonary arteries. D. the coronary arteries. E. None of the above  

An individual who is blood type AB negative can _____________.

Which of the following selectors matches an h1 heading with the id “topHeading”?

The element to create a figure caption is: