Cheatography
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Class 10 CBSE cheat sheet for control and coordination chapter
This is a draft cheat sheet. It is a work in progress and is not finished yet.
Nervous System
All information from our environment is detected by some specialized tips of nerve cells called receptors. |
Types of receptors are: |
They convert stimulus into electrical impulses that travel from the dendrite to the cell body and along the axon to the end. |
Gustatory - Present in Tongue |
Then, the converted chemicals cross the synapse and start a similar electrical impulse in the dendrite of the next neuron. |
Olfactory - Present in Nose |
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Thigmo - Present in Skin |
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Auditory - Present in Ear |
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Photo - Present in Eyes |
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Reflex Actions
Reflex actions are sudden involuntary responses which do not involve thinking. |
Sequence of a Reflex Arc |
Reflex Arc describes the pathway in which the nerve impulse is carried and generation of the response is shown by the effector organ. |
1. Receptors = Heat/Pain |
Nerves from all over the body meet in a bundle in the spinal cord on their way to the brain. Reflex Arcs are formed in the spinal cord. |
2. Sensory Neuron |
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3. Spinal Cord (Central Nervous System) |
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4. Message to Brain |
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5. Relay neuron |
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6. Motor Neuron |
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7. Effector Organ |
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