What are the matrix rings of compact bone that surround the central canal of each osteon?

Smooth muscle tissue in which cells are individually sent signals to contract (rather than contracting in unison) is referred to as

Proteins are

The simple sugar glucose is an example of a

When the body’s digestive system breaks down starch, a complex carbohydrate, into simpler carbohydrates, the reaction is

The intermediate stage of cellular respiration

The optimal pH range for most human enzymes is

Osmosis is the diffusion of

Another name for the skin is the _________ membrane.

The partition between the lateral ventricles is the