What color is a healthy pair of human lungs ?
What percentage of our oxygen and blood supply is used by the brain ?
How many red blood cells does your body make every seconds ?
What are the only human organs that would float if you put them on water ?
What is the outer layer of skin called ?
What part of the human bodygets its name from the Latin word for “little mouse”?
What part of the human body is able to produce “prints” similar to fingerprints that are unique to an individual ?
What human organ can regenerate itself completely with as little as 25% of its original tissue ?
Where is the strongest muscle (based on its weight) in the human body located ?
Approximately how much of a person’s body weight is blood?
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