False.
The semilunar valves are the pulmomic and aortic values.
the mitral and tricuspid valves prevent back flow of blood into the atria.
The statistical study of all populations is called demography
ATP is Adenosine Triphosphate. It is the primary energy carrier in all living organisms. ATP is the energy metabolized from food and light collected by organisms. It is often referred to as the energy currency of life. ATP is used to power almost all of the cells activities by harnessing food and light. It powers muscle contraction, protein consumption, cell communication, heat mechanisms, and much more. I hope this helped you!!! :))
Answer:the first blank is north the second blank is 24 hours the third blank is 365 days
Explanation:h