According to a video posted by a fellow chiropractor there are approximately 600 billion chemical reactions in the human body every second of our life.
Regarding blood & capillaries - capillaries are the most important site for exchanging nutrients and waste yet, only about 5% of our blood volume is in the capilaries at any one time with about 60% in our veins.
Something else I learned was that blood will sit in capillary beds for 6 to 12 seconds on average. I previously thought blood was continuously moving throughout our system and didn't realized it paused anywhere but, apparently, it does pause in our capilary beds due to precapillary sphincter muscles which help regulate blood flow.
It's 1:30 a.m. now and have been studying for neuro - I took a 3 hour nap earlier but it's not quite cutting it. I'm thinking of laying down for an hour then getting back to it.
Today's picture is of a capillary bed.
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