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Ryan Ch. 2
Ryan Ch. 2 Cell Structure and Function
Question | Answer |
---|---|
diffusion | process that spreads substances through a gas or liquid |
non-infectious disease | disease caused by malfunction of an organ system |
chloroplast | organelle that makes food from sunlight, water, and carbon dioxide |
musculoskeletal system | organ system that supports the body and enables movement |
immune system | organ system that fights disease and foreign agents |
organ | two or more types of tissue that work together to perform a function |
circulatory system | organ group that carries oxygen and removes wastes from the body |
nervous system | organ system that controls movement and other organs |
infectious disease | disease caused by harmful organisms or viruses |
tissue | group of cells with a common structure and function |
osmosis | type of diffusion that allows water to pass but not the solutes |
cytoplasm | gel-like substance that surrounds the internal parts of the cell |
nucleus | directs cell activities and carries genetic information |
hormones | chemicals that carry information to certain cells |
organelle | structure that has a specific job within the cell |
complex organisms | need more cells, energy, and organ systems to maintain life |
special proteins produced by the immune system to fight viruses | antibodies |
brain | controlls all other organ systems |
a sugar plants produce through photosynthesis | glucose |
photosynthesis | process plants go through to make food |
mitochondria | perform respiration in both plant and animal cells |
cell division | allows organisms to grow and replace old cells |
skin | bodies largest organ |
respiration | glucose combines with oxygen to produce CO2 and H2O. Takes place in the mitochondria and is the opposite of photosynthesis |
specialized cells | specific structures in a cell that perform specific tasks |
endocrine system | makes and sends out hormones |
urinary system | removes liquid wastes |