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Excretory 7

Excretory System 7th Grade Science

Why does your body need food? Food = Fuel
excretory system the system in the body that collects wastes produced by cells and removes them from the body in order to maintain homeostasis
lungs organ of the excretory system AND respiratory system, excretes waste products such as carbon dioxide and water
skin excretory organ that rids the body of waste through sweat glands
liver excretory organ that excretes bile pigments that result from the destruction of hemoglobin. It also converts nitrogenous waste from the breakdown of proteins into urea
kidneys major organs of excretory system, contains nephrons that filter blood removing waste and returning fluid to the body
ureters tubes through which urine travels from kidneys to bladder
bladder hollow muscular organ that stores urine
urethra tube through which urine travels from bladder to outside the body
Created by: jessandrews15



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