Astronaut Leland Melvin explains some of the physical changes that happen to a person’s body in space in a video by Great Big Story. In zero gravity, the human spine stretches, eyesight is altered, and the heart changes shape.
Astronaut Leland Melvin explains some of the physical changes that happen to a person’s body in space in a video by Great Big Story. In zero gravity, the human spine stretches, eyesight is altered, and the heart changes shape.