Excretion Flashcards
What is excreted from the skin
Slat and water (sweat)
What is excreted from the kidneys
Urea water and salt (urine)
What is urea made up of
Protein
Where is urea made
In the liver
What is the function of the renal artery
Carries blood to the kidneys
Blood contains urea,salt and water
What is the function of the kidneys
Remover excess water, salts and all the urea from the blood
These combine to form urine
What is the function of the renal vain
To take blood away from the kidneys
Blood is free of waste products (no urea)
What is the function of ureters
Carry urine from the kidneys to the bladder
What is the function of the bladder
Stores urine
What is the function of the urethra
Tube that takes urine from the bladder and passes it out of the body.
What is the function of sphincter muscles
These muscles allow the urethra to open or close
What is the process that cleans the blood in the kidneys called
Filtration
Explain the term excretion
The removal of waste products made in the body from the body.
What is excreted from the lungs
Carbon dioxide and water vapour