Atoms that are stable

___________________ is described as the least malignant but most common type of skin cancer.

In living organisms, the ________________ level or organization is considered to be the lowest level of organization.

Sodium chloride is an example of 

The lowest level of biological organization that can metabolize, have growth and development, have homeostasis, and the rest of the properties of life is the

In connective tissue, ___________________ fibers are very thin, highly branced and they form networks for support.

Phospholipids, fats and oils are all classified as lipids because they all are:

The ears and nose are primarily composed of ____________________.

In living cells, chromatin is composed of

________________ and ________________ are considered to be the major effectors in the human body.