Areas of the spleen containing large aggregations of lymphocytes are known as  

Explain the difference in anaphylactic and septic shock

The ∆P in arteries is about __________ mm Hg.

The main factors that keep blood flowing in veins are valves, _____________________.

At the place along a capillary where capillary hydrostatic pressure (CHP) is higher than blood colloidal osmotic pressure (COP), there is net capillary _________________________.

Which of the following happens after aortic/carotid baroreceptors sense a drop in blood pressure?

Which of the following features was necessary for adaptation by reptiles to life on land?

“Derm” means “skin,” so the name Echinoderm literally means

Which of the following is not an advantage of genetically engineered plants?

Sea stars are able to move and obtain food by creating suction from small structures called: