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GS Mod 16
Apologia Exploring Creation with General Science Module 16
| Question | Answer |
|---|---|
| Neurons | Nerve cells composed of dendrites and axons. |
| Synapse | The point at which a signal from one neuron is passed to another neuron. |
| Neuroglia | Cells that support the neurons and help communicate with one another.. |
| Dendrites | Conduct electrical signals towards the cell body. |
| Axons | Conduct electrical signals away from the cell body. |
| Nerves | Bundles of axoms that carry signals to and from the brain. |
| Central nervous system | (CNS) Composed of the brain and the spinal cord. This is part of the nervous system that does most of the information processing. |
| Peripheral nervous system | (PNS) Contains all the neurons involved in receiving information and sending it on to the spinal cord and brain. |
| Cerebrum | Deals with the "higher-level" brain functions. These would include interpreting signals, learning, reasoning, and memory. |
| Gray matter | Composed almost exclusively of the cell bodies of neurons. |
| Corpus callosum | Allows the two hemispheres of the brain to exchange information. |
| Cerebellum | Has many functions mostly oriented around muscle movements. |
| Brain stem | It controls the more basic functions of the human body, such as breathing, heart rate, and the pressure at which blood is pumped through the body. |
| Autonomic nervous system | The system of nerves which carries instructions from the CNS to the body's smooth muscles, cardiac muscle, and glands. |
| Sensory nervous system | The system of nerves which carries information from the body's receptors to the CNS. |
| Somatic motor nervous system | The system of nerves which carries instructions from the CNS to the skeletal muscles. |
| Sympathetic division | Part of the autonomic nervous system that increases the rate and strength of the heartbeat and raises the blood pressure. |
| Parasympathetic division | Part of the autonomic nervous system that slows the heart rate and lowers the blood pressure. |
| Papillae | Tiny "bumps" you see on your tongue. |
| Taste buds | Identify sweet, sour, bitter, and salty and umami. |
| Cornea | Covered with a thin layer of clear tissue that is kept moist and clean. |
| Lens | What the eye uses to focus the image. |
| Retina | The part of the eye on which an image after it passes through the other parts of the eye. |
| Ciliary muscle | A smooth muscle that changes the shape of the lens in order of adjust the focus. |
| Ear drum | A thin sheet of tissue that vibrates as the result of vibrations in the ear. |
| Ossicles | Tiny bones in the middle ear that move back and forth as a result of the ear drum vibrating. |
| Cochlea | Snail=like shape that responds to the vibration of the ossicles by transforming it into electrical signal and sending it on to the brain to be interpreted as sound. |
Created by:
barbara.macri
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