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

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


Question 2. Which organ is used to sense the direction of gravity?

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


Question 3. What do we call an organ which responds to an impulse from the nervous system?

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


Question 4. How are signals passed across a synapse?

Kinetically.
Chemically.
Electrically.
Energetically.


Question 5. Why are nervous impulses sent via a synapse to a relay neurone?

The synapse sends signals faster than a neurone.
The synapse filters incorrect signals.
The synapse amplifies signals.
The synapse can send signals to more than one neurone.


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