muscle system

4. a type of muscle found in between the ribs
5. organelle in muscles fibers that allows muscles to contract
7. a long strap-like muscle that is in the lower leg
10. a type of muscle found in the walls of internal organs
11. a type of muscle tissue found only in the heart
13. a organ of the muscular system that is composed primarily of cells called muscle fibers, which have the ability to contract
14. a connective tissue that connects skeletal muscle to bone
15. human body system that includes muscles and tendons

1. a thick flattened muscle that brings the arm toward the body and assists in extending it when the arm is in a flexed position
2. is the strongest muscle in the body and covers a large part of the buttock
3. a thick strip of connective tissue connecting several muscles in the lateral thigh
6. a rounded triangular muscle located on the uppermost part of the arm and the top of the shoulder
8. a type of muscle that is attached to the bone
9. these two muscles make up the calf of the leg
12. rotates the arm laterally and assists in bringing it toward the body