What is ecoli? is it a
disease

Nina has the flu and a high fever. her immune system is exhibiting the line of defense. this defense is part of immunity.

Bloodborn pathogens are infectious microorganisms carried by what?

Aproper cool-down routine includes which of the following? a). eating a good-sized meal b. five to 10 minutes of slow walking or jogging and stretching c). less than 5 minutes of cool-down stretches d). sprinting or other strenuous exercise