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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 |