What happens to an astronaut who spends 2 months in the weightless environment of a space capsule?
A) Bone density increases and muscle mass increases.
B) Bone density decreases and muscle mass increases.
C) Bone density decreases and muscle mass decreases.
D) Bone density increases and muscle mass decreases.

Question

Quizplus · Accepted Answer

In a weightless environment, astronauts experience both bone density and muscle mass decrease due to the lack of gravity, which normally stresses bones and muscles, maintaining their strength and density.

What Happens to an Astronaut Who Spends 2 Months in the Weightless