Your friend's dad has a high-stress job, and has high blood pressure as a result. This has caused his arteries to stretch too much, leaving them vulnerable to damage. Which system would be most effected? nervous respiratroy circulatory digestive

Explanation: "Warming up and cooling down are good for your exercise performance — you’ll do better, faster, stronger — and for your heart since the increased work on the heart ‘steps up’ with exercise,” said Richard Stein, M.D., professor of cardiology.

from

explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.