How does human body change in space?

How's an astronaut's face different in space?

• An astronaut's face appears bigger due to the lack of gravity.

• An astronaut's face appears more colorful due to the lack of gravity.
• An astronaut's face appears more wrinkled due to the lack of gravity.
• An astronaut's face appears smaller due to the lack of gravity.

The shape of an astronaut's _____ changes in space.

Why do astronaut's legs become thinner?

• Muscle atrophy due to lack of use in microgravity
• Exposure to higher levels of radiation
• Consumption of high-calorie foods
• Increased blood flow to the upper body

Why do astronouts need a special diet in space?

• Astronauts need a special diet to practice cooking skills in space.
• Astronauts need a special diet due to the effects of zero gravity and the requirements of space food.
• Astronauts need a special diet to communicate with aliens in space.
• Astronauts need a special diet to prevent weight gain in space.

What happens to human muscles in space?

• Muscles can weaken and atrophy due to the lack of gravity and resistance.
• Muscles remain unaffected by the lack of gravity
• Muscles become stronger and more resilient
• Muscles shrink in size but maintain strength

How do astronauts keep the muscles and heart healthy in space?

• Regular exercise using specialized equipment, strict diet, and supplements
• Drinking only water, avoiding all other beverages
• Eating high-fat, high-sugar foods
• Taking long naps throughout the day

This machine gives astronauts ______ to breathe.