Muscular System

2. I connect muscles to bones.
5. I am a set of muscles in the upper arm. I am used when you straighten your arm.
7. I am the type of meat found in pigs.
9. I am 1 of the 3 muscle tissues. I am found in the "hollow" digestive organs (stomach, intestines, etc.).
10. I am an injury that occurs in a muscle or tendon when it is stretched or torn.
12. I am a protein found in muscles. The less of me there is the bigger your muscles can get.
13. I am a set of muscles in the upper arm. I am used when you bend your arm, or flex.
17. I am the type of meat found in sheep.
18. I am 1 of the 3 muscle tissues. I am only found in the heart.
19. I am 1 of the 3 muscle tissues. I am most numerous in the body and attach to bones.

1. Muscles can only ______________, or shorten.
3. I am an organelle found in cells. There are a lot of me in muscle cells because I provide a lot of power.
4. I am the type of meat found in deer.
6. I am an injury that occurs when ligaments are stretched or torn.
8. After muscles contract and shorten they may stretch back out once they ____________.
11. Muscles must work in _________ in order to move bones in opposite directions.
13. I am the type of meat found in cows.
14. I am the type of meat found in birds.
15. We are the things that move bones, food, drink, waste, and blood around the body. I also help move air in and out of the body.
16. I describe muscles that are "stringy", built in bands like string cheese.