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Excretion
Science
Question | Answer |
---|---|
Explain excretion | The removal of waste products in the body that is made in the body |
What are the main organs in excretion | The lungs and kidneys |
What dose the lungs excrete | Carbon dioxide and water vapor |
What dose the kidneys excrete | Water salts and urea |
when is urea made | When we breakdown proteins that we don't need |
What is the function of the urinary system | To make and excrete urine |
Where dose the renal arteries carry blood | Into the kidneys |
What does the blood in the renal arteries contain | Excess water ,salts ,along with urea |
What does the kidneys remove from blood | Excess water, salts and urea from the blood |
Where does the renal veins carry blood | Takes blood from the kidneys and carries it back towards the heart |
What do the ureters do | Carry urine from the kidneys to the bladder |
What dose the bladder do | Stores urine |
What dose the urethra do | Takes urine from the bladder and passes it out of the body |