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Nervous System
| Term | Definition |
|---|---|
| What is the main function of the nervous system? | Carries signals to send and receive information from your environment and respond appropriately |
| What are the 3 main organs of the nervous system? | Brain, spinal cord, and nerves |
| The central nervous system contains which two organs? | Brain and spinal cord |
| In which direction does a signal travel through a neuron? In other words, in which part does the signal enter the cell and in which part is it carried away? | Signals enter the dendrites and exit through the axon |
| What is the function of sensory neurons? | To carry signals from your sense organs (eyes, ears, nose, tongue, skin) to the central nervous system |
| What is the function of motor neurons? | To carry signals from your central nervous system to your muscles for your body to respond appropriately |
| Explain how our nervous system creates a response to stimuli in the environment (such as touching a hot stove or smelling cookies baking or hearing your favorite song). Use the following terms: stimulus, response, brain, spinal cord, motor neurons, sensor | Let’s use the situation of hearing the bell ring at the end of the school day. Hearing the bell is the stimulus. Your sensory neurons will carry that information from your ears to your brain. Your brain will process that information and send a signal down |
| (Part of Cerebrum) Frontal lobe | Large role in behavior and personality, moods , attention and social interactions. |
| (Part of Cerebrum) Motor Cortex | Voluntary control of your skeletal muscles, the muscles we can move and control . |
| Parietal Lobe | Responsible for sensing touch, spatial processing, language, and memory. |
| Sensory Cortex | Conscience perception of touch, pressure, vibration, pain, temperature and taste. |
| Occipital Lobe | Visual perception and are involved in some forms of visual perception and are involved in some forms of visual short term memory. |
| Visual Cortex | Conscience perception of visual input, the ability to interpret what you see. |
| Optic Nerves | Carries signals from the eyes to the optic chiasm |
| Optic Chiasm | Where the two optic nerves cross to the opposite side of the brain. |
| Temporal Lobe | Responsible for processing smell and sound as well as the ability to recognize and understand words and language. |
| Auditory Cortex | Conscience perception of sounds. |
| Olfactory Bulbs | Contains several types of nerve cells that are involved in the sense of smell several types of nerve cells that are involved in the sense of smell. They receive information about smells from the nose. |
| Cerebellum | Balance, movement, and coordination |
| Cerebrum | Body's vital functions, heartbeat, breathing, swallowing and digestion. |
| Hypothalamus | Controls body temperature, thirst, appetite, sleep patterns. |
| Thalamus | Carries messages from the sensory organs, eyes, ears, nose and fingers. |
| Pituitary Gland | Makes the hormones that control our growth, metabolism, digestion, puberty, and how we respond to stress. |
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irxdxscent
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