| Question | Answer |
| _________ -the ability of your body to maintain a stable, internal, environment | homeostasis |
| cells are organized into groups called _________ | tissues |
| there are ___ main kinds of tissues in your body | 4 |
| covers and protects | epithelial tissue |
| sends signals throughout the body | nervous tissue |
| contracts and relaxes to produce movement | muscle tissue |
| joins, supports, protects, insulates, nourishes, and cushions organs (the glue that holds your organs together) | connective |
| tissues make up _______ | organs |
| organs make up ______ | organ systems |
| your body has ____ major organ systems | 12 |
| the skeletal system is made up of what? | bones, cartilage, and the connective tissue |
| connective tissue does what | holds bones together |
| when a baby is born how many bones does it have? | over 300 |
| an average adult has about how many bones? | 206 |
| a person will not have a fused skeleton until about the age of what? | 25 |
| what part of the skeleton is the skull, vertebral column, ribs, and the sternum in? | axial skeleton |
| appendicular skeleton | arms, legs, shoulder, hip bones, wrists, ankles, finger, toes, ect. |
| the what in your bones help make blood cells? | marrow |
| minerals are deposited by living cells called? | osteoblast |
| compact bone | no visible open spaces; rigid and dense |
| spongy bone | many open spaces; provides most of the strength and support for a bone |
| red marrow produces | red and white blood cells |
| yellow marrow in the central cavity stores | fat |
| ______ is found when two or more bones meet | joints |
| joints are held together by | ligaments |
| gliding joints | allows bones to glide over one another |
| ball-and-socket joint | allows you to move in all directions |
| hinge joints | allows you to flex and extend |
| pivot joint | allows you to turn your head |
| immovable joints | bone is fused together |
| ______ can occur when ligaments are stretched to far | sprains |
| ______ is a disease that affects the joints | arthritis |
