Question 19
Question 19 of 40
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Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
11. Transport in humans
11.4. Blood

Describe the transfer of substances between blood in capillaries, tissue fluid and body cells

13. Excretion
13.2. Urinary system

Identify, on diagrams, the kidneys, ureters, bladder and urethra and state the function of each (the function of the kidney should be described simply as removing urea and excess salts and water from the blood as urine)

3. Movement into and out...
3.1. Diffusion and osmosis

Investigate osmosis using materials such as dialysis tubing