It pumps the blood in and out of the heart. If I remember right I think that’s it.
By he NIH trying a new drug to help reduce pain associated with sickle-cell anemia, it's an example of an "experiment".
An experiment involves a hypothesis (an educated guess as to what's going to happen) and trying out the hypothesis and finding the solution.
I think because they want to be with people their age that can relate to tgem
Are there multiple choice questions?
Answer:
The answer is sulfur
Explanation:
I took the test today and got stumped on this, but it was sulfur
