I understand the blood is going places its “not supposed to be” but its still on the inside so whats the deal?
In: 92
In addition to the answers you already have about reabsorption, this can be a simple or complex physiological process.
Let’s say you hit your arm hard. You break some small vessels, they eventually clot and stop bleeding, the blood settles into the cellulite and between tissue layers, and the squashed muscle, creates a hematoma (bruise) an sits. Your body comes along, special cells clean up the debris, absorb the water, put it back into your blood stream or lymph system, and it’s fixed.
But, let’s say you hit your head really hard and have an arterial bleed aka internal bleeding inside your skull. The arteries carrying that blood are under blood pressure, so the blood is pumping out into the space between your skull and brain, squishing your brain just as if someone was physically leaning on it with their elbow. Good?
Or, say you rupture one of the major veins in the abdomen, the hepatic vein, perhaps. That vessel is big enough to slowly leak half your total blood volume or more, blowing your belly up like a tight water-balloon. Now you don’t have enough blood to carry oxygen everywhere else in the body and all your organs are being moved and compacted by the blood. Your heart now has more resistance to pump against because the aorta is squashed. Your lungs are crushed upward, so your breathing becomes shallow. Most of all, whatever caused the bleeding is still happening.
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