Answer:
muscles -D
Explanation:
the circulatory system consists of three independent systems that work together the heart, the lungs, and arteries, veins , coronary and portal vessels .
I do believe it's <u>FALSE</u> .Hopefully this is right and it helps.
HOPEFULLY IT HELPS !!!
Its a term used by coaches that means going to the weight room and lift weights and work out to get in phisical shap
