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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