how are muscles, bones, circulatory system, and immune system affected by space travel
Answers
Muscles-Muscle mass and strength decrease during space flight. The atrophy of muscles in space can affect not only the performance of astronauts during missions, but it can lead to severe muscle injuries upon return to Earth. ... As people age on Earth, muscle tissue tends to loose elasticity.
Circulatory system-There's no gravity to pull blood into the lower part of the body. Instead, blood goes to the chest and head, causing astronauts to have puffy faces and bulging blood vessels in their neck.
Bone-The exact mechanism that causes the loss of calcium in microgravity is unknown. ... This leads to a lowered bone density, the same effect that microgravity has on astronauts. As a result, bones become more fragile and are more susceptible to fractures, especially in the hip, spine, and wrist
Immune system-Immune System is Dazed and Confused During Spaceflight