| A | B |
| carbohydrates | short term energy source |
| glycogen | animal's way of storing excess glucose |
| fats = | glycogen + three fatty acids |
| phospholipids = | glycogen + two fatty acids |
| diffusion | movement of particles across a membrane |
| lipids | long term energy source |
| vitamin c | helps with tissue growth and repair |
| vitamin d | helps in bone strength and growth |
| vitamin k | helps in blood clotting |
| water | diffusion of this is called osmosis |