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Unit 2

Cells and Circulatory System

TermDefinition
Aerobic Cellular Respiration Process in which cells use food and oxygen to make energy and carbon dioxide
Mitochondrion Organelle (part) in the cell that does cellular respiration
ATP Energy for our cells
Prokaryote Small, simple, unicellular, bacteria, not a lot of organelles
Eukaryote Large, complex cells with lots of organelles; includes animals, plants, protists, and fungi
Cell Theory All living things are made of cells; cells are the basic unit of structure and funciton in living things; all cells come from other cells
Compound Light Microscope Microscope with magnifying lenses in two places that uses light shone through the slide to view the sample
Circulatory System Carries oxygen and food to cells, and removes waste products like carbon dioxide
Heart muscle that pumps your blood around your body
Artieries Take blood away from the heart; have thick walls to deal with the high pressure of the blood being pumped directly from the heart
Veins Collect blood from capillaries and return the blood to the heart; walls of the veins are thinner than the artieries because the blood is at a much lower pressure
Capillaries Tiny vessles with very thin walls that allow water, oxygen, and carbon dioxide to pass through easily
Plasma Part of blood made mostly of water and dissolved materials, such as sugar, fat, and protein
Red blood cells Part of blood that carries oxygen around your body
White blood cells Part of blood that helps you fight infections
Platelets Part of blood that helps form blood clots
Created by: cesjds
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