Pericardial fluid
A) decreases friction of the pericardial layers as they rub against each other.
B) prevents backflow of blood from one chamber to the other.
C) circulates through the heart's chambers.
D) lubricates the electrical system of the heart.
Correct Answer:
Verified
Q1: Which of the following are both AV
Q2: The structure that prevents backflow of blood
Q3: Heart valves serve what purpose?
A)They prevent blood
Q4: The top of the heart where the
Q5: The fibrous tissue that divides the heart
Q7: The valve that separates the right atrium
Q8: The second heart sound (S2)is associated with
Q9: The first heart sound (S1)is associated with
Q10: Through which structure must blood travel in
Q11: The heart's valves open and close in
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