5 Questions
What is a characteristic of the nervous system that enables it to respond quickly to stimuli?
Is very fast
Which division of the peripheral nervous system carries information from the brain and spinal cord to other parts of the body?
Motor division
What is the primary function of the autonomic division of the peripheral nervous system?
Controlling smooth muscles, cardiac muscles, and glands
Which part of the nervous system contains the brain and spinal cord?
Central nervous system (CNS)
What is the function of the sympathetic division of the autonomic nervous system?
Regulating heart rate and blood pressure
Study Notes
Characteristics of the Nervous System
- Receives information from multiple senses simultaneously
- Integrates information from various sources
- Has a fast response time
- Initiates specific responses to stimuli
Organization of the Nervous System
- Comprises two main parts: Central Nervous System (CNS) and Peripheral Nervous System (PNS)
- CNS consists of the brain and spinal cord
- PNS has two divisions: sensory and motor
Functions of PNS Divisions
- Sensory division: carries information from senses to the brain and spinal cord
- Motor division: carries information from CNS to other parts of the body
- Motor division has two subdivisions: somatic and autonomic
Functions of Motor Division Subdivisions
- Somatic division: controls skeletal muscles
- Autonomic division: controls smooth muscles, cardiac muscles, and glands
- Autonomic division has two subdivisions: sympathetic and parasympathetic
This quiz covers the four characteristics of the nervous system, including its ability to receive and integrate information from multiple senses, and its two main parts: the Central Nervous System (CNS) and the Peripheral Nervous System (PNS).
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