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substance in food that provides energy and raw materials |
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structure to which vocal cords at attached |
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tube with cartilage, mucous membranes, and cilia |
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clusters of thin-walled air sacs in the lungs |
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fingerlike projections in the small intestine |
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tubes that lead from each kidney to the bladder |
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major organs of urinary system |
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filtering units of the kidneys |
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protein that speeds up chemical reactions |
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organ that holds urine until it is excreted |
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organic nutrient needed in small amounts |
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nutrient that is usually the body's main source of energy |
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in your mouth it is saliva in your stomach it is enzymes and digestive solution that breaks down food |
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muscular bag where mechanical and chemical digestion takes place, food is changed into chyme |
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your body uses these for the replacement and repairs of body cell for growth |
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absorption of broken down food takes place here |
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muscle contraction that move food through the entire digestive tract |
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in your mouth it is the chewy of food; in your stomach it is the mixing of food by peristalsis |
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controls the release of semi-solid wastes from the body |
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building block of proteins |
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mechanical and chemical digestion |
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absorbs water from the undigested mass, which helps maintain homeostasis |
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produce or store enzymes and other chemicals that help break down food as it passes through the digestive tract |
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produce or stores enzymes and other chemicals that help break down food as it passes through the digestive tract |
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automatically covers the opening to the windpipe to prevent food from entering it, or else you would choke |
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accessory organs, thought food doesn't pass through them, thy are important in mechanical and chemical digestion |
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