Refers to the blood flow to and from the lungs
. oxygenated
pulmonary artery high blood pressure, elevated to over 140/90 (systole/diastole)
Answer:
a
Explanation:
it is imperative that they take the meds, they may stay healthy this way but the other answers listed aren't correct
The line of immune defense that was broken was the skin. It might not look helpful but it's a very important part of the body.