The _______ receive(s) blood returning to the heart from the veins and act(s) as reservoirs between contractions of the heart.
A) ventricles
B) atria
C) mitral valves
D) aorta
Correct Answer:
Verified
Q8: Two _ arteries branch off from the
Q9: _ is the process by which cells
Q10: People with type _ blood are known
Q11: The outer layer of the heart wall
Q12: The circulatory system consists of two subsystems:
Q14: Universal recipients have type _ blood.
A) A
B)
Q15: Blood consists of red blood cells, white
Q16: Red blood cells are also called _.
A)
Q17: While the Rh system consists of more
Q18: Events that occur during one complete heartbeat
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