Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 33, Problem 9RQ
Summary Introduction
To describe: The morphological difference between the vertebrate spinal cord and nerve cords of invertebrates.
Introduction: The nervous system includes nerve cell networks involved in transmitting nerve impulses between body parts. The nervous system of vertebrates is more complex, specialized and centralized when compared to invertebrates.
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Chapter 33 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 33 - Define the following terms: neuron, axon,...Ch. 33 - Glial cells far outnumber neurons and contribute...Ch. 33 - The concentration of potassium ions inside a nerve...Ch. 33 - What ionic and electrical changes occur during...Ch. 33 - Explain different ways in which invertebrates and...Ch. 33 - Why is the sodium-potassium pump indirectly...Ch. 33 - Prob. 7RQCh. 33 - Prob. 8RQCh. 33 - Prob. 9RQCh. 33 - Prob. 10RQ
Ch. 33 - Prob. 11RQCh. 33 - Prob. 12RQCh. 33 - Prob. 13RQCh. 33 - Prob. 14RQCh. 33 - Chemoreception in vertebrates and insects is...Ch. 33 - What is the vomeronasal organ and what activity...Ch. 33 - Explain how ultrasonic detectors of certain...Ch. 33 - Outline the place theory of pitch discrimination...Ch. 33 - Explain how the semicircular canals of the ear are...Ch. 33 - Contrast the structure and functioning of the...Ch. 33 - Explain what happens when light strikes a...Ch. 33 - Prob. 22RQCh. 33 - Prob. 1FFT
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- 5) cranial nerve II, the optic nerve sends nerve impulses to the brain carrying information about the things we see. These nerve fibers most likely belong to which division of the nervous system? a) sympathetic division b) sensory(afterent) division c) parasympathetic division d)somatic nervous systemarrow_forwardWhat are the main functions of the spinal cord?arrow_forwardWhat is kind of remarkable about the neurons in humans whose cell bodies originate in the spinal cord?arrow_forward
- Which statement is true regarding the spinal cord? a) The interior horns of the spinal cord receive information from the body b) The spinal cord is surrounded by the Dura matter only c) The spinal cord terminates into the upper thoracic region d) The lower lumbar region doesn't contain a spinal cord but rather a collection of nerve roots called the cauda equinaarrow_forwardWhich part serves as the sensory relay center of thebrain? As the link between the nervous system and theendocrine system?arrow_forwardWhich structures unite to form a spinal nerve?arrow_forward
- Which nervous system component belongs to its corressponding motor pathway? Nervous System Compnent Motor Pathway Cerebellum A) plan and initiate voluntary movements Spinal Cord B) refine and adjust movements Brainstem C) relay commands to most muscles below the neck Frontal Lobe D) relay commands to muscles of facial expression, eye movement, chewing, and swallowingarrow_forwardWhat is the function of sensory neurons?arrow_forwardDoes the ventral nerve cord traverse the entire length of the body?arrow_forward
- What are the two primary roles of the spinal cord?arrow_forwardHow is the spinal cord protected in the human body?arrow_forwardAll of the following are functions of the spinal cord except A) mediates quick and involuntary response to a stimuli B) helps maintain posture and equilibrium during locomotion C) receives sensory input and sends motor signals through spinal nerves D) the only control center for parasympathetic nervous systemarrow_forward
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