click below
click below
Normal Size Small Size show me how
Chapter 11
The sensory and nervous Systems
| Term | Definition |
|---|---|
| Stimulus | A change to which the body responds to e.g Heat |
| Response | Reaction to a Stimulus |
| The 5 Senses | Sight, Hearing, smell, taste, touch |
| 5 Sense Organs | Eyes, Ears, Nose, Tongue, Skin |
| 3 main layers in the Eye | Sclera, Choroid, retina |
| Sclera | outer layer of the eye |
| Choroid | middle layer of the eye |
| Retina | inner layer of eye- contains light receptors |
| Optic Nerve | Info to the brain is passed along this nerve |
| Blind Spot | area with no light receptors |
| Aqueous Humour | Liquid in the Front of the Eye |
| Uitreous Humour | Liquid at the back of the Eye |
| 7 main parts of the Eye | Iris, Lens, Optic Nerve, Pupil, Retina, Ciliary muscle, Cornea |
| Spinal Cord | Cord of vertebrae and nerves that runs up your back |
| 2 Types of nerves | Sensory Nerves and Motor Nerves |