In what ways are the plants important for ecosystems give three specific examples and explain them

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes