When the thyroid gland does not produce adequate amounts of thyroid hormones, a condition called ____ may result.

A) dwarfism
B) gigantism
C) Graves' disease
D) myxedema
E) Addison's disease

Myxedema

A severe type of hypothyroidism that is most common in women older than 50.

Thyroid Gland

An endocrine gland in the neck that produces hormones regulating the body's metabolic rate as well as heart and digestive function, muscle control, brain development, and bone maintenance.

Thyroid Hormones

Chemical substances produced by the thyroid gland; important in regulating the body's metabolism, energy production, and overall physiological functions.