This blood vessels brings blood toward the heart

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

To avoid food poisoning, perishable items should not be stored in the refrigerator for more than days.

What factors characterize a healthy relationship that contributes to positive social well-being?