An educated guess is the best way to describe hypothesis
Answer:
A. Blood is pushed through vessels
Explanation:
Heart muscles contract and relax. The most important effect of this action on the human body is Blood is pushed through vessels.
Hope it will help :)❤
Organelles must do their duties together and their activities must be coordinated I'm pretty sure.
Well those that are in that ecostems could died from no water or the could walk on it and it breaks
