They're are a lot of options and youd have pretty good job security
Refers to the blood flow to and from the lungs
. oxygenated
pulmonary artery high blood pressure, elevated to over 140/90 (systole/diastole)
A sign on the road, it could be multiple colors.
Just be friendly, kind, helpful and a good friend. This will build friendship leading to a person trusting you more. Maybe share a smallish secret with them as well.
