1. False. There are over 600 muscles in the body.
  2. True. You can control your skeletal muscles to do things such as walk, run, play an instrument, or cook a meal.
  3. False. Ligaments connect bones to other bones. Tendons connect muscles to bones.
  4. True. The heart is a special muscle called “cardiac muscle.” It works constantly to pump blood through your body.
  5. True. Muscles can be strained by stretching them too much, as when you lift something that is too heavy.
  6. False. Sprains happen when ligaments (which connect bones to bones) are stretched too much. A stretching injury to a tendon (which connects a muscle to a bone) is called a strain.
  7. True. If a muscle is not used, it will get smaller and weaker. This is known as atrophy.
  8. True. You should get at least 60 minutes of exercise every day. It doesn’t have to be a whole hour all at once.
  9. False. If something starts to hurt, stop playing or exercising. You might just need to rest, or you might need to see a doctor.
  10. D, all of the above.
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