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10 Questions

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Hot Object Detection and Nerve Cells

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Questions and Answers

How do we detect that we are touching a hot object?

Information is detected by the specialised tips of nerve cells (correct)

The release of chemicals causes a sensation of heat

The electrical impulse travels from the cell body to the dendrite

The axon delivers the electrical impulse to the sense organs

What creates an electrical impulse in response to information acquired at the end of the dendritic tip of a nerve cell?

Chemical reaction (correct)

Cell body

Synapse

Axon

What is the function of the synapse in the nervous system?

Starts a chemical reaction in the dendrite of the next neuron

Transfers information via electrical impulses from one part of the body to another

Delivers electrical impulses to muscle cells

Crosses the gap and starts a similar electrical impulse in the dendrite of the next neuron (correct)

Where are gustatory receptors usually located?

Tongue Signup and view all the answers

What is nervous tissue made up of?

Neurons Signup and view all the answers

How does information from the environment get detected by the body?

By the specialised tips of some nerve cells Signup and view all the answers

What sets off a chemical reaction that creates an electrical impulse in response to detected information?

Information acquired at the end of the dendritic tip of a nerve cell Signup and view all the answers

Describe the general scheme of how nervous impulses travel in the body.

The electrical impulse travels from the dendrite to the cell body, then along the axon to its end, and sets off the release of chemicals at the end of the axon, which cross the synapse to start a similar electrical impulse in the next neuron's dendrite. Signup and view all the answers

What is the nervous tissue made up of, and what is its specialized function?

Nervous tissue is made up of an organised network of nerve cells or neurons, and is specialised for conducting information via electrical impulses from one part of the body to another. Signup and view all the answers