1. Water and waste SQA questions

2. Water gain and water loss WYSK A mammal gains water in f_____, d______ and c_______ r_______ A mammal loses water in u______, f_______, s______ and b______ Water balance – Water __ = water ____ In a mammal water balance is achieved by changing the v______ of u_____ produced oodrink hemicaleactions rine aecesweatreath inout olumerine

3. kidney ureter bladder Renal artery Renal vein

4. The kidneys WYSK The kidneys are the main organs for r________ the w______ content of a mammal The kidneys produce u_______ The kidneys work by f_________ of blood and r___________ of useful materials The renal a_______ take u_______ blood to the kidneys The renal v______ takes f_______ blood away from the kidneys egulating ater rine iltration eabsorption rterynfiltered einiltered

5. The u_______ carries urine from the k______ to the b______ The bladder s_____ urine Waste products are r_______ in the urine U_____ is a w______ product removed from the body in the u______ reter idneyladder tores emoved rea aste rine

6. (b) (e) (c) (a) (d)

7. glomerulus Bowmans capsule Blood capillary Collecting duct

8. The nephron WYSK  The g________ filters the blood  The glomerular filtrate is collected by the B_______ C________  The blood capillaries r________ useful materials such as g_______ and some w_____  The c________ duct takes u_____ to the u______  The urine contains the waste u_____ and some w______ lomerulus owman’sapsule eabsorb lucose ater ollectingrine reter rea ater

9. Urea WYSK  Urea is made in the l_____ from surplus a______ a______.  Urea is transported to the kidneys in the blood of the r_______ a_____ iver mino cids enalrtery

10. Kidney failure WYSK If the kidneys stop working because of a________ or d_________ the body will not be able to f____ out p________ urea from the blood and this can cause death. R________ the v_______ of water in the blood and this e_____ water will be r_______ in the body Kidney failure can be treated by using a t_________ or a kidney m_________ ilteroisonous egulateolume xcess ccidentisease etained ransplantachine

11. Replacement kidneys WYSK Kidney failure can be treated by a t_______ or an a_________ kidney ( kidney m_______) After a transplant a patient can live a m_____ n_______ life (BENEFIT) but will have to take drugs to prevent tissue r_______ (LIMITATION) On a kidney machine there is no r________ and no need for d_____ (BENEFITS) but the machines are e__________ and kidney dialysis takes a l______ time (LIMITATIONS) ransplant rtificialachine ore ormal ejection rugs xpensive ong

12. ADH and too much water CREDIT Drinking a l______ volume of water H_____ level of w_____ in blood P_______ releases l______ ADH L_____ water reabsorbed by k_______ L______ volume of d____ urine produced W_____ level of blood returns to n______ arge igh ater ituitaryess idneys argeilute aterormal

13. ADH and too little water CREDIT S________ a lot during exercise L____ level of water in blood P________ releases m_____ ADH M_____ water r_________ by kidney S______ volume of c________ urine produced Water level of b______ returns to n______ weating ow ituitaryore eabsorbed malloncentrated loodormal

14. Food / eating 6.5L + 3L + 2.8L = 12.3L

15. urine breathing

16. The Kidneys water mammal filtering reabsorbing glucose urea

17. Renal artery ureter Stores urine Glucose / water Faeces / breath / sweat

18. √ Renal vein √ urine √

19. ureter artery glucose reabsorbed

20. Fbladder T T FRenal artery T

21. Sweating/ salty meal ADH More water reabsorbed small volume concentrated urine

22. true False – renal artery False – water liver Liver- blood-kidney-ureter-bladder-urethra

24. capillary Collecting duct glomerulus Bowmans capsule C D

25. Reabsorbs and transports useful materials e.g. glucose Carries urine to ureter surplus amino acids

28. A capillary BCarries urine to ureter C D capillary Collecting duct Glomerulus Bowmans capsule