Let’s say in the case of someone losing their arm at the shoulder; How does our body rebuild?
In: Biology
Your body’s circulatory system and veins are like a city’s grid system of roadways. Traffic (your blood) is constantly following until road work (severed limb) causes a major roadway to be shut down for repairs and maintenance. Sometimes that means the construction workers (surgeon) has to change the flow of traffic (blood) by setting up detours in your body and redirecting where they want the road to go. They reconnect the veins that have been damaged, causing traffic (your blood) to flow properly, albeit redirected via different side streets.
When my college made our campus “closed”, they cut off certain roads and redirected others to flow traffic around the campus instead of through it. A surgeon does something similar when repairing a major artery to your limbs. The body follows these detours that were made to your body as if traffic cones were setup.
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