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TLL exam 1
chapters 1 thur 4
| Question | Answer |
|---|---|
| atoms | smallest parts of atom |
| protons | have pos charge |
| neutrons | neutral charge |
| electrons | pos charge |
| synapses | space between neurons |
| cell body | contains the nucleus and is essential for continuing of life the neuron |
| cell respiration | produce energy or atp from glucose |
| normal ph | 7.35-7.45 |
| neutral ph | seven |
| acidic level | zero most ____________ level |
| alkaline | fourteen most__________ level |
| this is movement from high pressure to low pressure through a membrane. the engery for this is provided by blood pressure | filtration |
| these cells are capable of moving to engulf or absorb. they are wbc's engulfing bacteria. wbc's destroy pathogens | phagocytosis |
| one cell divides to form two identical cells w/the diploid number | mitosis |
| one layer of flat cells, makes up alveoli of the lungs | simple squamous |
| contain the nucleus, carries impulses away and toward the cell body | nerve tissue |
| the loss of one or more electrons by one atom and the gain of the electrons by anither atom or atoms | ionic bond |
| substances can be dissoled in it, prevents friction, absorbs vast amt of heat, changes temp slowly | water functions |
| name for engery production within cells and involes both oxygen and carbon dioxide | cell rispiration |
| body fluids with increased acid means that there are excess ______ ions in the fluid | hydrogen |
| breaking the bonds, lg molecule is changed to two or more smaller ones | decomposition reaction |
| this is the "powerhouse of the cel" site where atp production | mitochondria |
| this is the control center of the cell, it contains the DNA in the chromosomes | nucleus |
| bonds to a carrier enzyme for tranportation into cell | facilitated diffusion |
| solution and cell have equal salt concentration, water to maintain fluid balance remains the same | isotonic solutions |
| solution has less salt than cell. water moves into cell to rehydrate from fluid loss it will swell burst and die | hypotonic solutions |
| human diploid number of chromosomes | 46 |
| human haploid number of chromosomes | 23 |
| is a covalent bond formed between two atoms of sulfur, usually within the same protain molecule | disulfide bond |
| no sharing or exchage of electrons | hydrogen bond |
| is the rapest element | fluorie (f) |
| the loses element | cesium (cs) |
| breaking the bonds, lg molecule is chaged to two or more smaller ones | decomposition |
| bonds are formed to join two or more atoms or molecules to make a new compound | synthesis reactions |
| water within the cells about 65% | intracellular |
| produced by cells as a waste product of cell respiration | co2 |
| is a chemical or pair of chemicals that minimizes changes in ph by recating w/strong acids or strong bases | buffer system |
| is to serve as sources of engery in cell respiration, contains carbon, hydrogen and oxygen | carbohydrates |
| true fats, made uo of faty acids and glycerol | lipids |
| made pu of amino acids, there are 20 amino acids, contain ( C,H, O, NI) | proteins |
| body structure | anatomy |
| how the body wks and its functions | physiology |
| study of disorders or abnormals | pathophysiology |
| are the beginnings of the levels they can be simple or complex | chemicals |
| smallest living unit of structure and function | cells |
| groups of tissues w/similar functions | tissues |
| groups of tissues w/similar functions | organs |
| a group of organs that perform a functions | organ system |
| this is a state of stability | homeostasis |
| standing upright facing forward, arms at sides, with palms forward | anatomic position |
| what cavitie contains brain, spinal column and spinal cord | dorsal cavitie |
| what cavitie contains chest, adbomen and pelvic areas | ventral |
| what cavitie contains heat and lungs | thoracic |
| what cavitie contains stomach intestines | abdominal |
| what cavitie contains urinary bladder and repro organs | pelvic |
| plane side to side, separates the body into front and back portions | frontal |
| a midsagittal section creates equal rt and lt halves | sagittal section |
| a horizontal plane separatees the body into upper and lower portions | transverse section |
| a plane perpendicular to the long axis of and organ | cross section |
| a plabe along the long axis of an organ. | longitudinal section |
Created by:
TERRI LUCKETT
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