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as a person goes to space, what actually happens to his body pressure and what effect is there on his bones? are the bones incresed or decreased? if so why does it happen? wats the explanation? plz provide me....

2006-12-22 17:16:17 · 4 answers · asked by khushal g 1 in Science & Mathematics Biology

4 answers

Bone mass and strength are directly related to muscle mass and the force that the muscles exert upon the skeleton. When an individual is subjected to zero gravity, bone density decreases-thus bone mass decreases due to the decrease in force that is exerted on the bones. Hope this helps.

2006-12-22 18:53:16 · answer #1 · answered by jestedu 2 · 0 1

if you are on the moon, your bones start to become more brittle. this happens because the pressure of gravity is less on the moon than on earth because the moon has less mass. you must be in good shape when you are in outer space because if not, you will either come back with broken bones or become a puddle of dead mush from overpressure ( like on jupiter).

2006-12-22 17:19:12 · answer #2 · answered by DBSG/SS501_fan 2 · 0 0

Actually the bones do not increase in lenght,but they only APPEAR to grow so.
This is because in space,minerals,mainly calcium salts are lost from the bone.This makes them thin.And so they appear of greater length

2006-12-22 20:55:56 · answer #3 · answered by Rohan 2 · 0 0

no but people are taller because the spinal cord gets longer ( the space between the vertebra increases because the disc are not compressed by your weight - same thing would apply to the other joints if the tendons didn't hold them in place ) ( you can duplicate this by hanging upside down for a few hours )

2006-12-22 17:18:51 · answer #4 · answered by Anonymous · 0 0

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