How does a proper warm up affect blood flow? OA. Blood flow increases.
OB. Blood flow decreases.
Ос.
Blood flow increases and then decreases.
OD. Blood flow decreases and then increases.

A. Blood flow increases.

Explanation: When you're doing a proper warm up, it starts up your cardiovascular system by raising your body temperature and increasing blood flow to your muscles and throughout your body.

Hope this helps!

i wish it got that cold here ): im in florida and i've never even seen snow, it never feels like a real holiday. i hope you have a good one with your family !