The primary function of erythrocytes is to participate in immune reactions.​

As filtrate moves through the ____ in mammals, it generally undergoes a dramatic decrease in osmolarity.​

________ interstitial osmolarity allows urine to be concentrated.

Why is proper ventilation important for a respiring animal?​

Signals from the atrioventricular (AV) node are carried to the bottom of the heart by ____.​

Metanephridia differ from protonephridia in all of the following ways EXCEPT that:

Epinephrine raises blood pressure by ____.​

Atherosclerosis has its most serious effects in the ____.​

The typical osmolarity of most body fluids in humans and other mammals is about ____ mOsm/L.​

How is the blood filtered through the glomerulus into the proximal convoluted tubule?