Answer:
There are 2 Valve Systems
Explanation:
The mitral valve and tricuspid valve are located between the atria (upper heart chambers) and the ventricles (lower heart chambers).
Answer:
b
Explanation:
It's the only positive motion that benefits all!
Hi this is (whoevers name you want it to be) I was calling to talk about the charge on my account. When you see this give me a call back, thank you.
True, For example you have to eat healthy and not do drugs in order to function correctly and not be affected by these things