Human Body Systems

An organ that stores and releases bile.

A reproductive (sex) cell such as a sperm or egg.

The movement of oxygen into the blood and carbon dioxide out of the blood.

The inherited information passed from parents to offspring through genes.

A hormone released by the pancreas that raises blood glucose levels.

A hormone produced by the pituitary gland that stimulates growth and tissue repair.

The community of microorganisms living in the digestive tract.