digest./excrete./ski Word Scramble
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Question | Answer |
epidermis | outer, thinnest layer of skin |
dermis | below epidermis, contains blood vessels, nerves, ,muscles, oil, sweat glands, and other structures |
melanin | pigment, protects skin, gives color to skin |
digestion | process that breaks down food into smaller molecules |
mechanical digestion | takes place when food is chewed, mixed, and churned |
chemical digestion | occurs when chemical reactions breaks down large molecules |
enzyme | type of protein that that speeds up the rate of chemical reaction in the body |
peristalsis | waves of muscle contractions in digestive system |
chyme | after being in stomach for 2 to 4 hours a thin-watery liquid is made |
villi | finger-like projections in small intestines that help absorb food |
urinary system | body system that rids blood of waste produced by cells |
urine | wastewater |
kidney | filters blood |
nephron | tiny filtering units |
ureter | tube from kidney to bladder |
bladder | holds urine |
urethra | carries urine from bladder to outside of body |
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S1005908
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