Nervous system - Nervous system Peripheral nervous system
5 important questions on Nervous system - Nervous system Peripheral nervous system
What is the peripheral nervous system?
It has two main divisions. The sensory (afferent) division carries information from sensory receptors in the body (such as skin, muscles, and organs) to the central nervous system. This includes information about touch, pain, temperature, and body position.
The motor (efferent) division carries messages from the central nervous system to effectors, such as muscles and glands, allowing the body to respond.
The motor division is further divided into two parts: the somatic nervous system, which controls voluntary movements of skeletal muscles, and the autonomic nervous system, which controls involuntary actions such as heart rate, digestion, and gland activity.
What is a motor nerve?
What does volunary mean? What does involuntary mean and what does coordinator mean?
Involuntary: Done without conscious control.
Coordinator: the central nervous system (CNS)
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What are some characteristics of the autonomic nervous system (ANS)
Conveys output from the CNS to smooth muscle, cardiac muscle and glands.
Because its motore responses are not normally under conscious control, the action of the ANS is involuntary.
Explain the subdivision so the autonomic nervous system.
Parasympathetic nervous system: calms the body and helps the body to conserve energy This is the rest and digest response.
Enteric nervous system: network of 100 million neurons in the GI tract that regulates its smooth muscles and glands. It can function independently bu it communicates with and is regulated by the other branches of the ANS.
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