Criado por chromeaces
mais de 10 anos atrás
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EXCRETION Process of removing waste products from the body If waste is not removed, toxic substances build up and these damage organs in the body.
Excretory organs Skin Lungs Kidney
SKINExcretory products:watermineral saltsureaMethod: Sweating
LUNGSExcretory products: water vapour carbon dioxide Method:Exhaling
KIDNEYSExcretory products: excess water excess mineral salts urea Method:Urinating
Skin - Sweat gland absorbs excretory products from blood capillaries. - Sweat eliminated from sweat glands through sweat pores.
KIDNEYExcretory organ that removes wastes like urea, water and mineral salts from the blood into the urine.
URETERTube that carries urine from the kidney to the bladder
BLADDERTemporary storage for the urine before removal
URETHRATube that carries urine from the bladder for removal.
Urea from liver is sent to the urinary system. The flow of urea into the urinary system starts from the kidney ---> ureter ---> bladder ---> urethra before being removed in urine.
Human Excretion
Urinary System in Humans
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