Snapquiz - The Central Nervous System and Reflexes

This is the Snapquiz on The Central Nervous System and Reflexes. Click here or use the embedded video if you haven't watched the lesson yet.


Question 1. How do nervous impulses travel away from the central nervous system towards the organ which needs to respond?

Across a synapse.
Along a relay neurone.
Along a motor neurone.
Along a sensory neurone.


Question 2. What do we call an organ which responds to an impulse from the nervous system?

A connector.
A collector.
A receptor.
An effector.


Question 3. In a reflex action, which organ decides how to respond?

The brain.
The receptor.
The spinal cord.
The effector.


Question 4. How are signals passed across a synapse?

Electrically.
Energetically.
Kinetically.
Chemically.


Question 5. Which organ is sensitive to the presence of chemicals?

The skin.
The ears.
The nose.
The eyes.


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