| A | B |
|---|
| reflex | What do you call the automatic response to a stimulus? |
| receptor | What do you call the part of a nerve cell that recieves stimuli from the environment? |
| reflex arc | What do you call a path of a message in a reflex? |
| sense organs | Special organs that recieves and process stimuli from the environment are called _______________. |
| cornea | The clear covering at the front of the eye is called the __________. |
| iris | The colored part of the eye that controls the amount of light entering the eye is called the __________. |
| pupil | What do you call the center of the eye? |
| lens | The part of the eye that focuses an image on the retina is called the ____________________. |
| retina | What do you call the part of the eye that recieves the image from the lens and transmits them to the brain? |
| eardrum | What do you call the sheet of tissue that vibrates when sounds strike it? |
| cochlea | Part of the ear that changes vibrations into nerve signals is called _________________. |
