Parts of the Brain and Spinal Cord Functions
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Questions and Answers

The nervous system includes the brain, spinal cord, and a complex network of ______.

nerves

The nervous system is assisted by five sense organs - the eyes, ears, nose, tongue, and ______.

skin

A stimulus is any factor in the environment that may trigger a ______.

nerve impulse

An organism must be able to respond to a stimulus in order to ______.

<p>survive</p> Signup and view all the answers

The fundamental unit of brain and nervous system is the ______.

<p>neuron</p> Signup and view all the answers

The central nervous system consists of two main components, the brain and the ______.

<p>spinal cord</p> Signup and view all the answers

The cerebrum is the large, upper part of the brain that controls ______ and thought.

<p>activity</p> Signup and view all the answers

The cerebellum is the part under the cerebrum that controls ______, balance, and coordination.

<p>posture</p> Signup and view all the answers

The brain stem connects the brain to the spinal cord and controls automatic functions such as breathing, digestion, heart rate, and blood ______.

<p>pressure</p> Signup and view all the answers

The spinal cord serves as a channel for signals between the brain and the rest of the body, and controls simple musculoskeletal reflexes without input from the ______.

<p>brain</p> Signup and view all the answers

The somatic nervous system is associated with the voluntary control of body movements and has two main parts: spinal nerves and cranial ______.

<p>nerves</p> Signup and view all the answers

The autonomic nervous system has two main divisions: the parasympathetic division and the ______ division.

<p>sympathetic</p> Signup and view all the answers

The autonomic nervous system is associated with the involuntary control of body movements and has two subdivisions: ______ and parasympathetic

<p>sympathetic</p> Signup and view all the answers

The sympathetic division is activated when the body is in a dynamic role or stress and leads to increased heart rate, breathing, dilation of pupil, and ______

<p>sweating</p> Signup and view all the answers

The parasympathetic division maintains body functions and restores the body to normal or relaxed mode, acting as a ______ system

<p>restorative</p> Signup and view all the answers

A nerve impulse is a combination of an electrical charge and a ______ reaction

<p>chemical</p> Signup and view all the answers

Neurotransmitters are molecules used by the nervous system to transmit messages between neurons, or from neurons to ______

<p>muscle</p> Signup and view all the answers

Motor neurons are specially intended for information processing and signaling, relaying messages between the brain and body, and within the brain and spinal cord, focusing on ______

<p>movement</p> Signup and view all the answers

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