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B lesson 4

4th grade Science

QuestionAnswer
excretory system the organ system that removes liquid wastes.
circulatory system the organ system that moves blood through the body.
nervous system the organ system that controls all other body parts.
skeletal system the organ system is made up of bones.
muscular system the organ system is made up of muscles that move bones.
digestive system the organ system that breaks down food for fuel.
respiratory system the organ system that brings oxygen to body cells and removes waste gas.
Created by: ammybear81
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