1% of their bone.
astronauts lose bone muscle because they are not used to the gravity conditions in space. They will also lose muscle and need to excersing while in space and also before leaving Earth.
This occurs because astronauts in space do not walk but float. The leg bones are weight-bearing bones, and this lack of activity leads to bone breakdown and bone loss.
They can get bored, loss of muscle and bone mass, space sickness.
If you break a bone before you go into space because you are an astronaut then no because there are so many requirements to do so. You will be working on the shuttle so it is the use of your hands so no.
Fossa
marrow
bone marrow
It is the space where you will find bone marrow, which is where Red Blood Cells and White Blood Cells are formed
a cavity,opening,or space within somethingwhen something is hollow t has nothing inside it (when a tree is hollow it is empty)
a cavity,opening,or space within somethingwhen something is hollow t has nothing inside it (when a tree is hollow it is empty)
antrum - a natural cavity or hollow in a bone bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body
because the inside of a bone is hollow and the tissue is different
a cavity,opening,or space within somethingwhen something is hollow t has nothing inside it (when a tree is hollow it is empty)
A full bone is definitely heavier than a hollow bone, hope this helps.
The space occupied by an object is its volume The space contained within a hollow object is its capacity.
The hollow part of bones are mostly filled with Red Marrow