Is skin part of our innate immune system

The germs that cause infections are mainly spread in what three ways? a. immunization, mucous membranes, not washing hands b. germ-laden droplets, direct contact with body fluids, insects c. hand hygiene, sickness, immunization d. not enough sleep, low oral hygiene, germs

Lifestyle diseases are caused by a combination of

Which is an important step of performing cpr on babies?