| A | B |
|---|
| skeletal system | the framework of bones that support the body |
| digestive organs | mouth, esophagus, stomach, small intestine, large intestine |
| skeletal system | anchors all the body movements |
| compact bone | gives a bone strength (hard) |
| spongy bone | produces red blood cells (soft) |
| ball and socket joint | allows movement in almost a full circle |
| gliding joint | allows movement back and forth or up and down |
| hinge joint | allows movement in one piece |
| muscular system | the muscles of the body that, together with skeletal system, function to produce movement |
| functions of muscular system | movement, maintaining temperature, posture |
| tendons | attach skeletal muscles to bones |
| muscles contract | during exercise, then turn into energy that is converted to heat |
| muscle fibers | can be over-stretched or torn. |
| respiratory system | to get oxygen from the environment and remove carbon dioxide and other waste products from your body |
| respiratory organs | nose, throat, trachea, lungs, bronchial tubes, diaphragm |
| digestive system | performs the complex job of moving and breaking down food |
| skeletal system | protects internal organs |
