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7 Sci - Cells

Key words

microscope An instrument used to observe objects down to 0.002mm in size
cell The basic building block of all living things
multicellular An organism made of more than one cell
respiration oxygen + glucose -> carbon dioxide + water + energy
energy A quantity that allows work
synthesis to make
magnify To enlarge
ratio A proportion eg 3:1, 3 of substance A for every one of substance B
tissue A group of cells working together
organ A group of tissues working together
body system (organ system) a group of organs working together
digestive system A group of organs that allow a body to digest food
circulatory system A group of organs that provide the transport system to the body
specialised Having a unique function
axon The long extension of a nerve cell
capillary The smallest blood vessel
haemoglobin The chemical in red blood cells that carries oxygen
pigment A colour
antibody A chemical produced in the body that attacks foreign particles
pollen A male reproductive cell of a flowering plant
cell division When a cell divides in two
DNA The information storage of a cell
grow To increase in cell number or size
Created by: TARAL
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