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They become thin and brittle.
Stress or strain on bones stimulates osteoblasts (cells that build bones).
This is a good question! The calcium and phosphate level increase due to exercise. This is physiological response to stress of exercise. Your bones and muscles develop due to exercise. The bones becomes stronger and stronger as you give more and more stress to them. The stress lines also change as per requirement of the stress. Your bones get weak, when you put a plaster for fracture. This happens due to disuse of the bones.
What happens to the bones when muscle shortening
main effect of mechanical stress
Bones benefit from stress. It makes them grow stronger, as long as the stress is not sufficient to break them, of course.
bones get rusty
What happens to your bones when you are weightless, is that your bones will get weaker and weaker. That is why everyday, astronauts, have to spend two hours on a treadmill everyday of there space expedition.
buned bones become brittle
The whales bones got dissolved in the sea..
When a babtilage is slowly replaced by bones.
what happens to the monkeys when they die in the rainforest