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The process by which a cell becomes specialized to perform a specific function
Tissue stem cells
2 types of stem cells
exist within specialized tissue
only able to differentiate into certan types of cells
(Bone marrow can differentiate to red/white blood cells, or platelets)
organ system that is made up of the mouth, esophagus, stomach, intstines, liver, pancreas and gall bladder; the system that takes in, breaks up, and digests food and then excrete waste.
The whole tract is lined with epithelial tissue
narrow and long (6m long)
Goblet cells release mucus, and nutrients diffuese through the wall of the small intestine.
made up of the heart, blood, and the blood vessels; system that transports oxygen and nutrients throughout the body and carries away wastes
made up of 3 different types of tissues: cardiac muscle tissue, nerve tisue, and connective tissue.
3 types of blood vessels form a network of tube throughout the body to transport the blood.
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