| Question | Answer |
|---|---|
| What do you call the removal of wastes that are made in the body | Excretion |
| Name two waste products of respiration in the body | carbon dioxide and water |
| Where does excess protein in the diet get broken down | Liver |
| When protein is broken down in the liver what is it converted to | Urea |
| Name three of the body's waste products | Carbon dioxide, water and urea |
| Name the three excretory organs in the body | Kidneys, lungs and skin |
| What waste products are excreted by the lungs | Carbon dioxide and water |
| What waste product is excreted by the skin | Sweat (salt and water) |
| What waste product is excreted by the kidneys | Urine |
| What does urine consist of | Urea, water and salts |
| If you blow into limewater what happens | It turns milky |
| Why does limewater turn milky | Carbon dioxide is present |
| How would you test for the presence of water vapour in expired air | Cobalt chloride paper |
| What colour does cobalt chloride paper turn to if water is present | Blue to pink |
| The vena cava is the main vein of the body what do you call the vessel that branches off from this into the kidney | Renal vein |
| What is the function of the renal vein | Takes clean blood from the kidney |
| The aorta is the main artery in the body, what do you call the vessel that branches off from this into the kidney | Renal artery |
| What is the function of the renal artery | Brings waste filled blood to the kidney |
| What is the main function of the kidney | Filter wastes out of blood |
| What is another function of the kidney | Control the amount of water in the blood |
| What is the name of the two vessels that carries urine to the bladder | Ureter |
| What do you call the bag that stores urine | Bladder |
| What do you call the tube that carries urine out of the body | Urethra |
| What is the pathway of urine form the kidneys | Ureter, bladder, urethra |
