| A | B |
|---|
| Define skeletal system. | the frame work of your body |
| Define periosteum. | the surface of the long portion of the bone is covered with a though, tight--fitting membrane |
| What is a fracture? | a break in the bone |
| What is an immovable joint? | allows little or no movement |
| What is a movable joint? | allows the the body to make a wide range of movement |
| What is a muscle? | an organ that contracts and gets shorter |
| What are voluntary muscles? | are muscles that you control |
| What are involuntary muscles? | are muscles that you can't consciously control |
| What are skeletal muscles? | are attached to bones by tendons |
| Are smooth muscles voluntary, or involuntary? | involuntary |
| Where are cardiac muscles found? | in the heart only |
| Cardiac muscle contracts about _____ times per minute every day of your life. | 70 |
| Are cardiac muscles voluntary or involuntary? | involuntary |
| What are anabolic steroids? | are drugs that contain a variation of the hormone testosterone |
| What is the epidermis? | the surface layer of the skin |
| What is the melanin? | a pigment that gives your skin color |
| What is the dermis? | the layer of tissue under the epedermis |
