How Fast Does the Body Replenish Lost Blood?


Red cells in the body need about 4 to 8 weeks for complete replacement. Blood volume is replaced within a day. Medical terms related to blood often begin with hemo or hemato.
Q&A Related to "How Fast Does the Body Replenish Lost Blood?"
Your bone marrow makes more red and white blood cells
I can't remember the process I used to arrive at this number (I was curious about this after giving blood in college and figured it out with my roommate, who was studying biochemistry
25 mils per hour
Blood travels at different speeds in all different types of vessels. Fastest in arteries, slower in arterioles, VERY slow in capillaries, then faster in venules, and faster again
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