Diffusion occurs when molecules move against their concentration gradients.

Which property of water explains its ability to prevent sudden changes in body temperature?

The adrenals, pancreas, thyroid, and parathyroids are glands of the endocrine system.

The reaction sucrose + water → glucose + fructose is an example of a(n) ________.

The passive process that involves the movement of water through aquaporins is

Stratified squamous epithelium forms the surface of the skin, the lining of the mouth, and the lining of the esophagus.

Shell 1 of an atom can hold a maximum of ________ electron(s).

Phospholipids have a hydrophobic region (the “head”) and a hydrophilic region (fatty acid chains, or nonpolar “tails”).

What are the three main components of a homeostatic control system?

Which region is medial?