Refers to the blood flow to and from the lungs
. oxygenated
pulmonary artery high blood pressure, elevated to over 140/90 (systole/diastole)
All of the above, they all apply.
Answer:
B. Surface of the skin
Explanation:
If we had mucous on the surface of our skin then our skin would have a thick slippery fluid like substance on it all of the time. Mucuos membranes are present in the digestive tract, mouth, lungs, and more.
Well, if it's possible to pick more than one, I would say "she should take the appropriate steps if she wishes to avoid pregnancy" and "she should take precautions to ensure that she does not contract and STI"