What happens to your body when you leave Earth?In this unforgettable STEM module, learners fly in the boots of a Chief Astronaut to explore the incredible, weird, and sometimes gross effects of space on the human body. From floating sweat blobs to burping disasters, students discover how microgravity changes bones, muscles, digestion, hygiene, and even how we cry. Using real NASA videos, creative hands-on activities, and a smart blend of science and humor, this 25-page PDF turns physiology int