NEET BIOLOGY

Detailed explanation-1: -An astronaut can choose from many types of foods such as fruits, nuts, peanut butter, chicken, beef, seafood, candy, brownies, etc. Available drinks include coffee, tea, orange juice, fruit punches and lemonade. As on Earth, space food comes in disposable packages.

Detailed explanation-2: -Food for NASA’s current astronauts is prepared and packaged at the Space Food Systems Laboratory at Johnson Space Center in Houston, Texas. There, astronauts select the meals they would like for their mission.

Detailed explanation-3: -Spacesuits enable humans to survive and work in space. None of these protections are available in space. To survive there, astronauts must wear an extravehicular mobility unit (EMU)-commonly called a spacesuit.

Detailed explanation-4: -“We do provide vitamin D supplements for the crews because the food system doesn’t have many sources of vitamin D, and because spacecraft are shielded to block ultraviolet light (one of the ways the body makes vitamin D), ” he writes in an email. And the crews are required to take those supplements, he adds.

Detailed explanation-5: -However, their gym is probably a lot more sophisticated than yours. The equipment has been adapted for space-a stationary bike, a treadmill and a weightlifting machine. Because the astronauts don’t have gravity to work against, the machines have been specially designed for the weightlessness of space.