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Unit 3 Lesson 12

Modeling Body Systems

TermDefinition
chemical digestion the breakdown of food as a result of chemicals the body releases
mechanical digestion any type of physical act related to the breakdown of food, including chewing, churning of the stomach, or absorbing nutrient
oxygenated a substance that contains oxygen, typically the blood
oxygen-poor a substance that is lacking in oxygen, typically the blood after it travels through the body
peristalsis a series of muscle contractions that move food through the gastrointestinal tract independent of gravity
pulmonary loop the pathway that blood takes from the heart to the lungs
reoxygenated adding oxygen to a substance, typically the blood after it has left the lungs and returns to the heart
systemic loop the pathway of blood from the heart to other areas of the body
Created by: atrang
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