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chapter 2 science 8

body systems

QuestionAnswer
Organ A group of tissues working together to preform a specific task.
Organ system A system that includes 1 or more organs that work together to preform specific functions in the body.
Tissue A group of cells that have the same structure and function.
Digestion The process that food is broken down, its nutrients are absorbed and stored, and the wastes are eliminated.
Excretion The process that liquid and gas wastes are flushed from the body.
Gastric juice A mixture of hydrochloric acid, mucus, and enzymes that is secreted by the stomach lining and aids in digestion.
Mucus A thick, slippery substance that lines various structures and organs in the body.
Nutrients A substance the body needs for energy, growth,development, repair or maintenance.
Villi Fold- like structures lining the wall of the small intestine.
Created by: 566023
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