| A | B |
| Thyroid | Produces thyroxine for metabolism |
| Hypothalamus | Nervous and endocrine structure, functions in digestion, heart rate, and body temperature |
| Frontal Lobe | Part of cerebrum, contains motor areas |
| Hippocampus | Limbic structure used for recognizing new experiences |
| Cornea | Transparent part of the eye, allows light to pass through |
| Temporal Lobe | Lateral part of cerebrum, contains hearing and smell centers |
| Adrenal | Endocrine gland that produces corticosteroids to regulate metabolism and blood pressure |
| Cerebellum | Part of the brain that maintains balance and equilibrium |
| Amygdala | Important limbic structure, influences survival behaviors and converts memories to long term storage |
| Parietal Lobe | Part of cerebrum, contains sensory areas |
| Pituitary | Master endocrine gland, produces growth hormone among others |
| Vitreous Humor | Gel-like posterior part of the eye that maintains shape and pressure |
| Occipital Lobe | Posterior part of cerebrum, center for vision |
| Lens | Focuses the eye |
| Aqueous Humor | Liquid anterior portion of the eye, maintains shape and provides nutrients to lens |