Vitals & Human Body
What does your heart rate measure?
How many times your heart beats in a minute
Why do astronauts exercise daily on the ISS?
To prevent muscle and bone loss
What vitamin helps astronauts keep strong bones?
Vitamin D
What is NASA short for?
National Aeronautics and Space Administration
Do astronauts take physical tests before space?
Yes — fitness tests are required
What does blood pressure measure?
he force of blood against artery walls
What type of exercise strengthens your heart?
Cardiovascular
What do astronauts drink instead of water bottles?
Water in a sealed pouch with a straw
Name the lab that orbits Earth
The International Space Station
What’s one fitness skill tested?
Heart health, strength, reflexes, etc.
What tool is used to measure blood pressure?
sphygmomanometer or blood pressure cuff
What happens to muscles in microgravity?
They shrink from lack of use
Why are leafy greens important in space?
They provide nutrients and oxygen if grown aboard
What country launched the first human into space?
Soviet Union
How do astronauts train for zero gravity?
Underwater simulations or zero-G flights
What is a healthy resting heart rate range for teens?
About 60–100 bpm
What piece of gym equipment is used in space?
Resistance bands and treadmill
What’s one way space food is different from Earth food?
It’s freeze-dried or dehydrated
What’s one health challenge astronauts face in space?
Muscle atrophy, bone loss, radiation exposure, etc
What skill does the reaction ruler test?
Reflexes/reaction time
What does respiratory rate measure?
How many breaths you take per minute
Why is balance harder in space?
No gravity = no sense of up/down
What happens if astronauts don’t eat enough?
They lose energy and bone/muscle strength
How many people have walked on the moon?
12
Why do astronauts train in teams?
To improve communication and solve problems together