What is one way that cold and flu viruses spread? a. by transfusing contaminated blood b. by inhaling contaminated droplets c. by eating contaminated meat d. by drinking contaminated water

How much blood does a healthy agult normally contain

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

Which of the following substances would you expect to find in the blood, and not in the lymph? selected answers: calcium glucose calcium glucose estrogen oxygen fatty acids water answers: