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Study Stack 1

Week 1 - 5

TermDefinition
homeostasis concept of internal stability - standing still
biology study of life
matter anything that has mass and oc-cupies space
metabolism describe all the chemical reactions that occur in body cells
anabolism many chemical reactions that build larger and more complex chemical molecules from smaller subunits
Compound atoms of two or more elements joined to form chemical combinations
glucose the most important simple sugar
Cholesterol steroid found in the plasma membrane sur-rounding every body cell
enzymes are functional proteins that bring molecules together or split them apart in chemical reactions
Nerve cells Detect changes in internal or external environment
Muscle cells Contract (shorten) to allow movement of body parts
Red blood cells Transport oxygen in the bloodstream (from lungs to other parts of the body
diffusion phenomenon caused by the tendency of small particles to spread out evenly within any given space
Osmosis Passive transport of water through a selectively permeable membrane in the presence of at least one impermeant solute
semipermeable membrane allows water to pass through the membrane, but blocks the passage of at least one solute
phagocytosis condition of the cell eating
Pinocytosis condition of the cell drinking
organelles little organs
Created by: rgpagaran
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