GT Science Body Systems Practice Test

Front

What is homeostasis?

Back

The ability to maintain a stable internal environment.

Front

How do hormones travel through the body?

Back

Through the bloodstream.

Front

What is an example of a steroid hormone?

Back

Estrogen.

Front

Why do hormones only affect certain cells?

Back

Only specific cells have receptors for that hormone.

Front

In plants, what helps transport water and nutrients throughout the organism?

Back

Vascular Plant Tissue.

Front

What is the function of the endocrine system?

Back

To produce and secrete hormones that regulate various body functions.

Front

What are receptors in the context of hormones?

Back

Proteins on or in cells that bind to specific hormones.

Front

What is the role of insulin in the body?

Back

To regulate blood sugar levels.

Front

What is the difference between steroid and peptide hormones?

Back

Steroid hormones are lipid-soluble and can pass through cell membranes; peptide hormones are water-soluble and bind to receptors on the cell surface.

Front

What is the primary function of vascular tissue in plants?

Back

To transport water, nutrients, and food throughout the plant.