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Mitosis
The process in which one cell splits to create two identical daughter cells
Meiosis
Process in which the parent cell produces 4 gamete cells
Active site
The place where chemical reactions happen on an enzyme
Key and lock theory
The theory that the enzyme and substrate join together to make an enzyme-substrate complex
Pacemaker
Artificial pacemakers send electric signals to assist your heart in beating at a regular pace and rhythm
Vein
valves to prevent back flow
Thin layer of elastic muscle
Large lumen
Thin wall
Artery
Small lumen
Thick elastic muscle
Thick wall
Capillary
Have a very thin wall to allow the diffusion of oxygen into body blood cells
Lumen
The space in the arteries, capillaries, and veins that blood can flow through
DNA
the molecules that carry the genetic information for a living organism
Gene
A short section of DNA that codes for proteins
Ribosome
Performs protein synthesis
Amino acids
break down food
Grow and repair body tissues
Make neurotransmitters
Enzyme
Proteins that are catalysts is breaking down molecules
Note 
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