Which is not a function of blood? A. temperature regulation B. regulation of body pH C. hemostasis D. hematopoiesis

Which naive cell type gives rise to cells that direct the adaptive immune response? A. CD8 cells B. CD4 cells

The reason oxygen diffuses into the tissues seen in internal respiration? a. the temperature differences b. the pressure gradient or difference in partial pressure of oxygen in arterial blood and that in a metabolically active tissue c. the larger the partial pressure of the veins d. .the ability of hemoglobin to bind avidly with oxygen

Which correctly describes a function of the nervous system? A. The nervous system regulates bodily functions through hormone secretion. B. The nervous system communicates and coordinates with the rest of the body. C. The nervous system transports nutrients and oxygen to every part of the body. D. The nervous system provides a protective barrier from the external environment. O Tt Submit A Open notes navigator

Angiotensin is a hormone that stimulates vasoconstriction and increases blood pressure. Which effect would also be expected from angiotensin function?   A. increased secretion of sodium in the kidney   B. decreased secretion of sodium in the kidneys   C. increased reabsorption of sodium in the kidneys   D. decreased reabsorption of sodium in the kidneys