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Questions and Answers
What are the two main parts of the nervous system?
What are the two main parts of the nervous system?
Which components are part of the Central Nervous System (CNS)?
Which components are part of the Central Nervous System (CNS)?
What is the primary function of the nervous system?
What is the primary function of the nervous system?
Which of the following is not a part of a neuron?
Which of the following is not a part of a neuron?
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What is the role of the cranium?
What is the role of the cranium?
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What is the function of neurons in the nervous system?
What is the function of neurons in the nervous system?
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Which part of the nervous system includes sensory and motor nerves?
Which part of the nervous system includes sensory and motor nerves?
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Which vital functions are controlled by the central nervous system?
Which vital functions are controlled by the central nervous system?
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What type of cells are neurons?
What type of cells are neurons?
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Study Notes
Nervous System
- The nervous system is a network of nerves that connects the brain to every part of the body, enabling them to work together and communicate.
- It is divided into two parts: the Central Nervous System (CNS) and the Peripheral Nervous System (PNS).
Central Nervous System (CNS)
- Composed of the brain, spinal cord, and nerves.
- Controls vital functions necessary for living, such as:
- Breathing
- Maintaining body temperature
- Thinking
- Feelings
- Heartbeat
Brain
- Enclosed in a hard bony protective structure called the cranium (skull).
- Made up of soft nerve cells called neurons.
- Structure similar to a walnut.
Neurons
- Specialized nerve cells that are the basic structural and functional units of the nervous system.
- Parts of a neuron:
- Nucleus
- Cell body
- Dendrite
- Axon
- Nerve ending
- Responsible for communicating and coordinating the body's functions.
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Description
Learn about the structure and functions of the central and peripheral nervous systems, including the brain and sensory nerves.
