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Nervous System Neuro
Question | Answer |
---|---|
What does the nervous system do? | Monitors the internal and external coordination, determines appropriate resposes, sends signals to muscles and glands respond |
What are the major divisions of the nervous system? | Central Nervous System = brain and spinal cord Peripheral nervous system = nerves throughout the body |
What does the sensory division do? | It carries info from sense organs to CNS |
What does the moto division do? | It sends info from CNS to muscle/glands |
The Somatic and Autonomic NS are a part of what division? | Motor division |
What is the somatic NS responsible for? | It carries infor to skeletal muscles |
What is the autonomic NS responsible for? | It carries infor to glands, cardiac muscle, and smooth muscle |
Sympathetic NS | "Flight or Fight" |
Parasympathetic NS | "Rest and Digest" |
What are the two types of cells in the nervous system? | Neurons & Glia |
Name three things that neurons do. | Generate and conduct electrical signals, communticate with other neurons through chemical means, responsible for most of the input, processing, and output of the nervous system |
Name three things that glia do. | Maintain homeostasis, support neurons, form myelin |
What is a cell body made of and what is its function? | It includes nucleus & most other organelles. The function is to intergrate all incoming info |
What is a dendrites function? | To receive signals from other neurons or enviornment |
What does an axon's function? | Conducts electrical signal |