5 Questions
What is the basic unit of the nervous system?
Neuron
What are the special extensions of a neuron called?
Dendrites
Which type of neurons transmit messages from the brain to the muscles to generate movement?
Motor neurons
What are the bundles of axons called?
Nerves
How many neurons are present in the human brain approximately?
100 billion
Study Notes
Nervous System Basics
- The basic unit of the nervous system is the neuron.
Neuron Structure
- Special extensions of a neuron are called dendrites, cell body, axon, and terminals.
Types of Neurons
- Motor neurons transmit messages from the brain to the muscles to generate movement.
Axon Bundles
- Bundles of axons are called nerve fibers.
Human Brain Composition
- The human brain contains approximately 100 billion neurons.
Test your knowledge of the nervous system's parts with this quiz! Learn about the central and peripheral nervous system and how they coordinate the body's functions. This quiz covers neurons, the brain, spinal cord, and their roles in controlling movement, sensation, and other essential bodily functions.
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