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Study
The Human Body
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What is the liquid in your mouth called?
saliva
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Which organ pumps blood throughout the body?
heart
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What leaves the large intestine?
waste (poop)
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What is the main purpose of the digestive system?
to break down food into nutrients and energy
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Which system is responsible for circulating blood throughout the body?
circulatory system
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Which intestine is the longest?
small intestine
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Which organ mixes and churns the food?
stomach
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Which system is responsible for breathing?
respiratory system
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Besides breathing, what else does our respiratory system let us do?
talk, sing, shout, cough, sneeze, etc.
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Which intestine is fatter?
large intestine
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What is the main organ used for breathing?
lungs
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What does the large intestine absorb?
water and nutrients
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What is the large tube that connects the mouth to the stomach called?
esophagus
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What do we call the bones that protect our lungs and heart?
ribs or rib cage
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What is the liquid is inside your stomach that breaks down food?
acid
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What gas do we inhale (breath in)?
oxygen
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What part of the digestive system chews the food?
mouth and teeth
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What gas do we exhale (breath out)?
carbon dioxide
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