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. Which organ is used to sense the direction of gravity?

The tongue.
The ears.
The eyes.
The nose.


Question 2. In a reflex action, which organ decides how to respond?

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


Question 3. How do nervous impulses travel towards the central nervous system?

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


Question 4. A sensory tissue such as the retina in the eyes is an example of which part of the nervous system?

Reflexor.
Receptor.
Reflector.
Reflex.


Question 5. How are signals passed across a synapse?

Chemically.
Kinetically.
Electrically.
Energetically.


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