How our muscles grow

There are more than ______ muscles in your body.

• 800

• 2000

• 600

• 1000

Muscles can grow or _____?

• shrink

• stay the same

What part of your body tells muscles to move?

• heart

• stomach

• brain

• bones

When we use our muscles for really hard work, we __________

• make our muscles shrink

• cause tiny tears or damage to our muscles

• do not use our muscles

Cytokines repair damages to the muscle.

• True

• False

When muscles are repaired, they are _________.

• bigger and stronger

• smaller and weaker

• the exact same

In addition to exercise, these 2 things are needed for our muscles to grow

• sugar and soda

• eating healthy and getting sleep

• playing video games on the couch and eating chips

Our muscles repair mostly during which time?

• exercise time

• homework time

• sleep time

Muscles help me breathe.

• True

• False

Your muscles needs this to grow. We get it from food.

• sugar

• fat

• protein