| A | B |
|---|
| Frontalis | the front of the skull Covers |
| Deltoid | Forms the top of each shoulder and gives the upper arms a wide range of motion. |
| Pectoralis Major | The large fan-shaped muscle covering each side of the chest. |
| Rectus Abdominis | - A long flat muscle that runs down the center of the abdomen. |
| Rectus Femoris | One of four large muscles at the front of the thigh. |
| Tibialis Anterior | The main muscle at the front of the lower leg that contracts to bend the foot toward the shin. |
| Skeletal muscle | - attached to bone and help them move. |
| Smooth muscle | are found in organs, such as the intestines, esophagus, and lungs. |
| Cardiac muscle | - is found only in the heart. |
| Tendons | - strong bands that connect muscles to bone. |
| Achilles Tendon | the tendon that connects the calf muscles in the lower leg to the heel of the foot. |
| Abdomen | The part of the body between the chest and the pelvis. |
| Striated | striped |
| Resistance | involving an opposing force, or something that pushes back. |
| Pupil | the opening in the center of the eyeball that controls the amount of light that enters the eye. |
| Pelvis | the ring of strong bones that forms the hips. |
| Calisthenics | exercises, such as sit-ups and push-ups that are usually done without special equipment. |
| Contract | - to become smaller or shorter. |
| Epsom Salts | salt-like crystals of the chemical magnesium sulfate that can be added to bathwater to soothe muscles. |
| Esophagus | - the muscular tube through which foods and liquids travel from the mouth down to the stomach. |
| Fibers | long, cord-like cells |
| Humerus | the bone in the upper arm between the shoulder and the elbow. |
| Lens | the part of the eye that focuses on what the eyes sees |
| Ligaments | short, strong bands that connect bones or hold joints together. |
| Organs | - parts of the body that perform special functions. |
