Veins, artery, heart are all part of the circulatory system just to name a few. Hope this helps :)
Answer: Umm hi. It should be more for help or a sign of destress or pain. But this is just a point of view, the question does not have answer choses so I can't really tell u ( sorry).
Answer:
Well I do not think it would be A or B. The best answer I can give you is D. If you talk to someone face to face it makes the message more clear and the person will be able to understand better, plus it's another good way to give a message rather then mailing or something like that. If the answer is not D however then it would be C.
Explanation:
If this was helpful please mark brainliest I am one away from next rank :D
