edHelper.com
Muscular System

Use It or Lose It

Use It or Lose It
Reading Level
     edHelper's suggested reading level:   grades 2 to 3
     Flesch-Kincaid grade level:   5.66

Vocabulary
     challenging words:    acid, aerobic, curl-ups, lactic, outstretch, poisonous, provides, Push-ups, resistance, important, works, helpful, painful, weak, damage, become

Print Use It or Lose It
edHelper.com subscriber options:
     Print Use It or Lose It  (font options, pick words for additional puzzles, and more)
     Quickly print reading comprehension
     Print a proofreading activity

Feedback on Use It or Lose It
     Leave your feedback on Use It or Lose It  (use this link if you found an error in the story)

Use It or Lose It
By Jennifer Kenny 		  
1     It is important to be physically fit. If you are, your body is healthy and works the best it can. Many systems in your body must work together in order to do this.
 
2     You control your skeletal muscles. When you need to use one, your brain sends messages to make the muscle contract. Then the muscle can pull on the bone so it can move, too.
 
3     Your muscles become stronger the more you use them. Resistance exercises are the most effective to develop the size and strength of your skeletal muscles. Repeated exercise causes the muscle itself to grow both in diameter and strength. Push-ups and curl-ups are examples of resistance exercise. They are tough to do, but are really helpful. They force muscles to overcome the weight of something.

Paragraphs 4 to 8:
For the complete story with questions: click here for printable


Copyright © 2008 edHelper