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study guide test 1 part 1
| Question | Answer |
|---|---|
| Atom | small particle of an element |
| Molecule | combination of 2 or more atoms joined together by chemical bonds |
| Ions | proton and electron numbers unequal |
| Cation | Loss of electron - net positive |
| Anion | Gain electron - net negative |
| Compound | 2 or more different atoms |
| Octet rule | up to 2 electrons on first shell, up to 8 on each shell after |
| Valence shell | Last shell containing electrons |
| "the math trick" | -10, (2 shells), don't forget the remainder |
| Organelle | basic structure found in cells |
| Cell | basic structural and functional unit of all living matter, contains many organelles |
| Tissue | collections of similar cells that carry out specific bodily functions |
| 5 tissue types | Connective, Epithelial, Liquid, Muscle, Nerve |
| Organ | groups of 2 or more kinds of tissue |
| Metabolism | |
| Anabolism | |
| Catabolism | |
| Homeostasis | Body in balance, free from injury or disease |
| Fascia | |
| Levels of Complexity | Chemical, organelle, cellular, tissue, organ, organ system, organism |
| 11 organ systems | Musclular, Urinary, Reproductive, Digestive, Respiratory, Integumentary, Nervous, Cardiovascular, Skeletal Immune/Lymphatic |