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Control and Coordination Cheat Sheet (DRAFT) by

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
 
Thigmo - Present in Skin
 
Auditory - Present in Ear
 
Photo - Present in Eyes
 

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
 
3. Spinal Cord (Central Nervous System)
 
4. Message to Brain
 
5. Relay neuron
 
6. Motor Neuron
 
7. Effector Organ