Answer:
heart is made up of four chambers: two upper chambers known as the left atrium and right atrium and two lower chambers called the left and right ventricles. It is also made up of four valves: the tricuspid, pulmonary, mitral and aortic valves.
nobody here speaks turkish
Explanation:
burada kimse türkçe konuşmuyor
Spit it out
Best song so far, Im new to the slipknot fandom
because they think they're entitled
I just explained it
The answer is C
explanation: hope this helps
