| A | B |
|---|
| Ear Canal | It goes from the outside of your head to deep inside your ear. |
| Eardrum | Deep inside your ear, sound reaches your |
| loud | The fire alarm at school makes this sound. |
| Outer Ear | It catches sound in the air around you. |
| Pitch | High and low sounds |
| Vibrate | A rubber band does this when you pluck it. |
| Iris | Makes the pupil larger or smaller to let in more or less light |
| Pupil | Lets light in your eyes |
| Retina | Sends messages to the brain |
| Lens | Focuses light on the retina |
