01:377:213 Lecture 13: Autonomic Nervous System
9 Apr 2018
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Document Summary
Your brain is the most energy-consuming part of your body. Larger brain size does no necessarily equal greater intelligence. How efficiently different parts of the brain communicate with one another. The autonomic nervous system (ans) functions outside of our conscious awareness. Longer states of unconsciousness is not dangerous, as long as nourishment is provided. People who have suffered brain injury has survived decades. This is possible due to the ans, which makes routine adjustments in physiological systems. Coordinates cardiovascular, respiratory, digestive, excretory, and reproductive functions reproductive functions. A comparison of the somatic and autonomic nervous systems. Efferent pathways connect with visceral effector organs, such as smooth muscle and glands. Compose of sympathetic and parasympathetic differs from sns in the arrangement of the efferent neurons. Axons of visceral motor neuron within the cns innervates a second neuron located in a peripheral ganglion. Second neuron is what innervates the peripheral effectors.
