Excretion Flashcards
Excretion
Is one of the characteristics of all living things
Excretion
Is the removal of toxic chemical substances, which are made in the body during metabolism
We have 3 excretory organs,
Kidneys
Lungs
Skin
Kidneys
Filter urea and salts from our blood
This process is called filtration
Renal artery
Carries blood to kidney
Renal vein
Carries blood from the kidney
Kidneys
Filters blood to remove urea
Ureter
Transports urine to bladder
Bladder
Stores urine
Urethane
Releases urine
Sphincter muscle
Controls the uretha opening and closing
Urea
Is toxic , is produced in the liver from excess protein
Lungs
Carbon dioxide and water are waste products of the process of respiration in all cells of the body
Skin
Water.salt,and a tiny and a tiny amount of urea is excreted as sweat through these pores