Page 268 - Additional Materials MSPP Reading book 2
P. 268

Astronauts need to keep their muscles strong when


 they’re in space. One way they do this is by running on a



 treadmill. The treadmill has bungee cords that hold the



 astronauts down so they don’t float away. You can keep



 your muscles strong, too. Do some jumping jacks,



 pushups, sit-ups, or walk and jog in place so that you’ll be


 strong enough when you can go exploring.






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