Immune system review

Which is not one of the body's lines of defense? Options: Skin, Heart, Breathing passages, Stomach

Are noninfectious diseases caused by microorganisms and spread from person to person?

A substance that causes an allergy.

Chemical responsible for allergy symptoms

Respiratory passages narrow causing the person to wheeze.

Is diabetes a noninfectious disease?

Is cancer an infectious disease?

Which is NOT a pathogen? Options: Bacteria, Plankton, Virus, Protists

Ways to contract an infectious disease: Physical contact, Contaminated object, Animal bite/Environment, All of them.

What are the two types of immunity?