| Clue | Term |
| Examples: sugars, fats, proteins | |
| Something that a living organism needs to live and grow | |
| Where annelids store ingested food | |
| One essential amino acid provided by legumes | |
| This hormone is secreted by the stomach to stimulate itself | |
| This vitamin is produced by symbiotic organisms | |
| These structures in the small intestine increase surface area | |
| The mouth secretes this enzyme that starts to break down starches | |
| When food leaves the stomach, it is called this | |
| Stomach ulcers are caused by this bacteria | |