5.4 Noninfectious Disease

Insulin

Chemical that enables body cells to take in glucose from the blood and use it for energy

Histamine

A chemical that is responsible for the symptoms of an allergy

Asthma

A disorder in which the respiratory passages narrow significantly

Tumor

Abnormal tissue masses

Allergen

Any substance that causes an allergy

Noninfectious disease

Are diseases that are not caused by pathogens in the body

Diabetes

Either the pancreas fails to produce enough insulin or the body's cell fail to properly use insulin

Allergy

Is a disorder in which the immune system is overly sensitive to a foreign substance

Carcinogen

Some substances or factors in the environment can cause cancer