| A | B |
|---|
| Carbohydrate | Simple or complex sugars that is used for energy |
| Protein | Molecules made up of amino acids |
| Lipid | Molecules in fats and oils that give us energy |
| Nucleic acid | Made up of nucleotides and is main component of DNA |
| ATP | The energy molecule needed for everyday activities |
| Excretory system | Body system that filters the blood to create liquid waste |
| Excretion | Process of removing waste from the body via excretory system, sweat and respiration |
| Kidney | Bean shaped organ that filters the blood |
| Nephron | Microscopic filters in the kidney |
| Urine | Liquid waste produced by the excretory system |
| Urinary bladder | Stores the urine until it can be eliminated |
