| O' Level Biology | |
| The site of cellular respiration | |
| The muscle that contracts during exhalation | |
| The reagant used to test for protein in food? | |
| The deficiency disease associated with lack of iron | |
| The site of selective reabsorption in the nephron | |
| The blood cell that engulfs bacteria | |
| The part of the brain associated with temperature regulation | |
| The source of energy attached to the phloem tubes | |
| The force associated with water moving up the xylem in tall trees | |
| The blood vessel associated with small lumens | |
| The enzyme associated with protein breakdown in the stomach | |
| The part of the villus associated with fatty acid absorption | |
| The part of the trachea associated with mucus secretion | |
| The blood vessel that transports blood away from the kidney | |
| The mineral associated with stunted growth in plants | |