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the astronaut heart and muscles and bones shrink and get weaker ...this because:
the earth's gravitational pull is strong so the heart pumps blood harder than it needs to in space so when a astronaut is in orbit it doesn't need to work so hard so they shrink.
hope this helps.
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∙ 13y ago
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What happens to the bones when muscle shortening?
What happens to the bones when muscle shortening
What happens to your bones when you are weightless?
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.
What is the striated muscle connected to the bones?
Skeletal muscle tissue is striated muscle tissue connected to bones.
What is the softer bones or muscle?
Muscle
Attaches bones to bones and muscle to bones?
ligaments attach bone to bone and tendons attach bone to muscle
What happens to the muscle of astronauts who are in space of an extended period?
Astronauts' muscles atrophy in space due to the decreased work they do without Earth's gravity.
Do both bones attached to a muscle move?
The bones itself do not move, but it's the muscle that moves it.
What muscle is attached to bones?
ligaments. tendons are muscle attached to muscle.
What can attach bones to muscle?
hi hows your muscle
What is the muscle connected to your bones?
skeletal muscle Joints
What muscle is found attached to bones?
Smooth Muscle
Where is skeletal muscles located?
If you think about it, skeletal muscle are muscles that connect bones. So wherever you have bone, it is covered with skeletal muscle. Muscles do not connect bones. Muscles are the source for movement and protection for bones.
