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How many red blood cells does the bone marrow produce every second?
How many teeth does a normal adult dog have?
How many times does the heart beat approx. in a minute in humans
How many valves are there in the human heart?
How many vertebrae does a human being have ?
Human blood contains --- percentage of plasma.
Human heart is made up of
Human kidney disorder is caused by the pollution of-
Huntingtons disease relates to
Hydrochloric acid is secreted by the cells lining the