1) what are the 2 ways of removing liquid wastes a) Urination and sweating b) pooping and farting 2) what does the kidney do? a) filters the blood b) forms the nutrients 3) what is the organ of sweating a) kidneys b) skin 4) what does the bladder do? a) holds the pee b) gets rid of urine 5) The skin is formed from : a) 4 layers b) 3 layers 6) The outermost layer of the skin is: a) Dermis b) Epidermis 7) The sweat glands are found in : a) Dermis b) Epidermis 8) The hypodermis layer contains a) oil glands b) fats 9) The fats in the hypodermis layer act as a) thermal insulation b) first line of defense 10) The skin produces a) Vitamin D b) Vitamin C

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