Cells and Body Systems

masteryoda's version from 2016-08-27 08:18


Question Answer
cellthe basic unit of structure
microscopictoo small to be seen without using a microscope
organismany living thing that maintains vital life process
cell membranethin covering that surrounds every cell
cell wallsupport a plant cell
nucleusthe part of a cell that directs all of the cell's activities
cytoplasmjellylike material between cell membrane and nucleus
chloroplastmake food for plant cells
vacuolestore nutrients, water, or waste material
mitochondriarelease energy from nutrients
bacteriasingle cell organism that don't have nucleus
protistsingle cell organism with nucleus and organelles
chromosomesthreadlike structures that contain information about the characteristics of a cell
vesiclessmaller organelles
organellesthings that are in a cell
algeaplantlike protists
protozoaanimal-like protists


Question Answer
tissuea group of cells that work together to perform a certain function
epithelial tissuetissue that lines your internal organs
muscle tissuetissue that contracts and relaxes to move your skeleton
connective tissuetissue that have bones and cartilage in your skeleton
nervous tissuetissue that tell muscles when to contract
organtissues that work together to perform a certain function
plasmaliquid part of a blood
organ systemorgans that work together to do a job for the body
digestive systemorgan system that breaks food into chemical nutrients
esophagusa long tube that leads to the stomach
small intestineintestine that produces chemicals
villifinger-like bumps in the small intestine

Body System

Question Answer
circulatory systemorgan system that transport oxygen, nutrients, and wastes through the body
arteriesblood vessels that leaves the heart
capillariessmall blood vessels
veinslarge blood vessels
respiratory systemorgan system that exchange oxygen and carbon dioxide
alveolitiny air sacs
bronchitwo large tubes
skeletal systemgives your body its form
muscular systemmove bones
cartilagespongy connective tissue
ligamentshold bones together
skeletal musclessupport and move your body
smooth musclemakes up most of the wall of the body's organs
cardiac musclemakes up the wall of the heart
involuntary musclesmuscles that you can't control
nervous systemenables you to sense your environment and to react to it
central nervous systembrain and spinal cord
peripheral nervous systemsensory organs
sensory receptorsdetect changes in your surroundings
reflexesautomatic responses
excretory systemremoved wastes from your body
ureatravels through the through the blood to the kidneys
kidneysmain organs of the excretory system
uretersurine tubes
bladdermuscular organs