The heart pumps about ________ liters of blood a day and contracts about ________ times in a lifetime.
A) 1,000; 1 billion
B) 1,200; 2 billion
C) 3,000; 2 billion
D) 7,000; 2.5 billion
Correct Answer:
Verified
Q13: The correct sequence of parts that carry
Q14: Circulation is vital because it
A)supplies oxygen and
Q15: Which of the following correctly matches the
Q16: Which of the following is the correct
Q17: The right atrium receives blood directly from
A)the
Q19: In mitral valve prolapse, the mitral valve
A)is
Q20: The inner lining of the heart is
Q21: In an ECG pattern, the P wave
Q22: Once cells in the SA node reach
Q23: Water and dissolved substances leave the arteriole
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