Blood Composition and Functions

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5 Questions

What is the average number of red blood cells in men per cubic millimeter of blood?

5.0 million

Which component makes up approximately 55% of an adult's blood?


What is the average lifespan of a red blood cell?

120 days

Which part of the body does not contain a nucleus in mammals' red blood cells?


What substance do red blood cells contain that allows them to transport oxygen?


Explore the components of blood such as red blood cells, white blood cells, and platelets, and their roles in gas exchange, immune defense, and blood clotting. Delve into the physiological functions of plasma proteins, as well as disorders like anemia and blood cancer.

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