Where does the beating sound of your heart comes from?
A. Blood going in the wrong direction
B. The heart skipping beats
C. Valvel closing
D. Your ears playing tricks on you
A. Blood going in the wrong direction
B. The heart skipping beats
C. Valvel closing
D. Your ears playing tricks on you
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Answer:
C. Valvel closing
Explanation:
A healthy heart makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart. The first sound (the lub) happens when the mitral and tricuspid valves close.
Question:
Where does the beating sound of your heart comes from?
Answer:
C. Valvel closing