Bio Ch 13 Sec 1-4 Cumulative Vocab Review
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35 terms
Terms | Definitions |
|---|---|
 cell | basic unit of structure in a living thing |
| cell membrane | outside boundary of cell |
| nucleus | control center of cell |
| cytoplasm | clear jellylike substance containing cell organelles |
| tissue | a group of similar cells |
| musclar tissue | can contract or shorten |
| nervous tissue | directs and controls processes in your body |
| connective tissue | provides support and connects all parts of the body |
| epithelial tissue | tissue on the surface of the body |
| organ | structure composed of different types of tissues |
| organ system | group of organs that work together to perform a major function |
| homeostasis | internal environment is kept stable and balanced |
| stress | reaction of your body to potentially threatening event |
| skeleton | framework made up of bones |
| vertebrae | backbone |
| joint | where 2 or more bones come together |
| ligament | connects bone to bone |
| cartilage | flexible connective tissue |
| compact bone | hard dense part of bone |
| spongy bone | open spaces keeps bone lightweight |
| marrow | red and yellow soft connective tissue |
| osteoporosis | body's bones become weak and break easily |
| involuntary muscle | not under conscious control |
| voluntary muscle | under conscious control |
| skeletal muscle | attached to bone for movement |
| tendon | attaches muscle to bone |
| striated muscle | another name for skeletal muscle |
| smooth muscle | muscle found in internal organs |
| cardiac muscle | heart muscle |
| epidermis | outer layer of skin |
| melanin | pigment found in skin that determines color |
| dermis | inner layer of skin |
| pore | opening in skin |
| follicle | where hair growth occurs |
| cancer | uncontrollable cell division |
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