KALAMAZOO—A Western Michigan University graduate has designed an online introductory anatomy and physiology class that requires no trips to an on-campus laboratory and employs both a virtual anatomy ...

The structure and function of the kidney, including its roles in urine production and homeostasis. This is the first in a series of articles examining the renal system. Abstract The kidneys are ...

The endocrine system comprises glands and tissues that produce hormones to regulate and coordinate vital bodily functions. This article â the last in an eight-part series â discusses the secondary ...

Gases diffuse between water and capillaries in gills, which are immersed in the flow of water. In contrast, diffusion of gases between inhaled air entering the lungs and capillaries occurs within the ...