How the Nervous System Works Flashcards
1
Q
What are the functions of the nervous system?
A
The Nervous System gathers and interprets information in your body. It also responds to the received information and helps maintain homeostasis.
2
Q
What are neurons?
A
A neuron is a nerve cell that transfers messages in the form of fast moving electrical energy called impulses.
3
Q
What are the 5 parts of a neuron?
A
Dendrites, cell body, nucleus, axon, and axon endings.
4
Q
Which direction do the impulses in a neuron go?
A
Downwards, to the direction of the axon terminals.
5
Q
How many types of neurons are there?
A
3, sensory neurons, motor neurons, and interneurons.
6
Q
What are sensory neurons?
A
Sensory neurons send impulses from sensory organs to the brain
7
Q
What are nerves made up of?
A
axons, blood vessels, and connective tissue.
