10 Questions
Where are the specialized tips of nerve cells usually located?
In sense organs such as the inner ear, nose, and tongue
What do gustatory receptors detect?
Taste
What creates an electrical impulse in response to information detected by nerve cells?
A chemical reaction
Where does the electrical impulse travel from the dendrite?
To the cell body
What do chemicals released at the end of the axon do?
Cross the synapse and start a similar electrical impulse in a dendrite of the next neuron
What sets off a chemical reaction that creates an electrical impulse in nerve cells?
Information acquired at the end of the dendritic tip of a nerve cell
Where are gustatory receptors usually located?
In the tongue
What is the function of olfactory receptors?
Detect smell
What starts a similar electrical impulse in a dendrite of the next neuron?
Chemicals released at the end of the axon
Where does the electrical impulse travel from the dendrite?
To the cell body
Study Notes
Nerve Cells
- Specialized tips of nerve cells are usually located at the dendrites.
- Gustatory receptors detect taste molecules in food and drinks.
Electrical Impulse Generation
- The binding of molecules to receptors creates an electrical impulse in response to information detected by nerve cells.
Neural Signaling
- The electrical impulse travels from the dendrite to the axon.
- Chemicals released at the end of the axon trigger a response in adjacent neurons.
Gustatory Receptors
- Gustatory receptors are usually located on the surface of taste buds on the tongue and palate.
- The function of olfactory receptors is to detect odor molecules in the air.
Neural Transmission
- The binding of neurotransmitters to receptors sets off a chemical reaction that creates an electrical impulse in nerve cells.
- The electrical impulse triggers the release of neurotransmitters from the axon terminal.
- Neurotransmitters start a similar electrical impulse in a dendrite of the next neuron.
Test your knowledge of sensory receptors and how they detect and respond to environmental stimuli with this quiz. Explore the mechanisms behind detecting hot objects, taste, and more through specialized nerve cells.
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