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In space, astronauts experience muscle atrophy due to the microgravity environment, which reduces the mechanical load on their muscles. Without the need to support their body weight, muscles can weaken and shrink, leading to a decrease in strength and endurance. To combat this, astronauts engage in regular resistance and aerobic exercise while aboard the International Space Station to help maintain muscle mass and overall fitness. Despite these efforts, some muscle loss still occurs during extended missions.
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Why did astronauts back in 1960s return to earth with muscles so weak that they had difficulty walking when they returned to the earth?
After any period in a place where the force of gravity is less than on the surface of the earth (or nearly weightless in orbit), muscles will begin to atrophy. The longer in space the weaker you get becuase the muscles do not have to counter the force of gravity. This also includes the heart muscle so the astronauts must be monitored while in space and for a while after their return to earth.
How long do astronauts usually stay on the moon?
There were 6 moon landings. The shortest period on the surface was 21 hours and 36 minutes and the longest was 3 days, 2 hours and 59 minutes. The shortest space walk was 2 hours and 31 minutes and the longest was 7 hours and 36 minutes.
What happens to astronauts in space for a long period of time?
Their bones, heart, and muscles begin to waste away because they cannot strengthen themselves by working against Earth's gravity; if they return from over 8 months in space, their bones would instantly break. It's not a pretty picture.
When a satellite is placed into a higher orbit what happens to its period?
Its period increases
What happens to the sun when the distance increases orbital period of planet?
If a planet's distance from the sun would increase, its revolutionary path would be extended (because it would have to traverse more distance), ergo increasing its period of revolution. Take an ellipse and enlarge it, then measure the perimeter of each ellipse, the larger one will have a larger perimeter.
What happens to the muscles of astronauts who are in space for an extended period?
They weaken
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.
What happens to muscles when they are not challenged for an extended period of time?
they become flabby and smaller.
What happens to leg muscles due to the disuse of these muscles over a long period of time?
When leg muscles are not used for an extended period, they can atrophy and weaken. This can lead to reduced muscle mass, strength, and endurance. It may also result in loss of flexibility and coordination in the muscles.
When a joint is immobilized for an extended period of time the muscles around that joint undergo a process called?
Atrophy
What term describes the ability of the heart and lungs to supply oxygen to the muscles for an extended period of time?
cardiovascular fitness
What happens when hyperinflation occurs over an extended period of time?
Everybody dies. That's it.
What happens to the muscles of astronaunts who are in space for an extended period?
they weaken Because there is no gravity in space muscles go unused. Because of the lack of use they weaken and even begin to deteriorate. Astronauts must exercise for hours daily in order to maintain there strength.
When muscles are used for and extended period of time what builds up in the muscle tissue?
That is lactic acid. This is what produces a "burning" feeling.
What happens if you leave the oven on for an extended period of time?
Leaving the oven on for an extended period of time can lead to overheating, potential fire hazards, and damage to the oven itself. It can also result in wasted energy and increased utility bills.
Why must there be pressurized cabins in space crafts?
If it wasn't pressurised there would be no air and the astronauts would die. Of course they could keep their spacesuits on but that would not be comfortable for an extended period of time.
What happens when the boys are running home during the storm?
They get caught in the storm and end up on the island for an extended period of time.
