Nervous System 1 Flashcards
1
Q
define Central nervous system
A
The CNS is comprised of the brain and the spinal cord which interpret and integrate sensory information and initiate motor commands in response.
2
Q
Which organelle is absent in the cell body of neurons?
A
Centrioles
3
Q
What responds to motor commands from the central nervous system?
A
Effector organs/ tissues
4
Q
What are some higher functions of the brain?
A
Cognition, learning , memory , emotions and control of PNS
5
Q
What is the meaning of the term Excitatory
A
Neurotransmitters or signals that stimulate the nervous system
6
Q
Define “nerves”
A
Neural tissue that carry sensory information and motor commands to the peripheral tissues