About how many muscles are there in the body?
206
500
1,000
20
What type of muscle helps food move through the digestive system?
involuntary
voluntary
Which type of muscle is found in your intestines?
smooth
cardiac
skeletal
voluntary
Where would you find cardiac muscle?
heart
liver
bladder
stomach
Exercised muscles are stronger and __________ than inactive muscles.
larger
smaller
more voluntary