Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 43, Problem 3TY
Summary Introduction
Introduction: Nervous system is a system in the body that helps in the transfer of information from one part to another. The body parts communicate with each other and with the external environment through the nervous system. Brain is the most important organ in the nervous system. Brain guides all the other organs in the body. Humans have the most complex brain.
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Which of the following statements about the cerebral cortex is FALSE?
A) The cortex in primates (and especially humans) has more sulci and gyri than in lower mammals.
B) The neurons in the cortex are organized into groups of 80 to 100 interconnected cells, arranged in vertical columns.
C) The human cortex is arranged into six layers of neurons (although a particular layer may be absent in some areas).
D) The cerebral hemispheres are organized into five lobes, named after the skull bone covering them.
Designers should, theoretically, be able to appeal to this level of the brain to get users to make decisions which they will justify later.
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Chapter 43 Solutions
Biology
Ch. 43.1 - Core Skill: Connections Nervous systems are one of...Ch. 43.1 - Scientists have determined that the brain mass of...Ch. 43.2 - Prob. 1CCCh. 43.2 - Prob. 2CCCh. 43.2 - Prob. 3CCCh. 43.3 - Core Skill: Modeling The goal of this modeling...Ch. 43.3 - What was the hypothesis proposed by Gaser and...Ch. 43.3 - Prob. 2EQCh. 43.3 - CoreSKILL Based on the results described here and...Ch. 43 - A nerve net consists of a. bilateral neurons that...
Ch. 43 - Prob. 2TYCh. 43 - Prob. 3TYCh. 43 - The white matter of the CNS is composed of a....Ch. 43 - Prob. 5TYCh. 43 - Prob. 6TYCh. 43 - Prob. 7TYCh. 43 - Prob. 8TYCh. 43 - In humans, the ______ blank hemisphere of the...Ch. 43 - ______ blank is a progressive disease that causes...Ch. 43 - Prob. 1CQCh. 43 - Prob. 2CQCh. 43 - Core Concept: Systems New properties of life...Ch. 43 - Discuss how the two parts of the nervous system of...Ch. 43 - List the three major divisions of the brain of...
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- Which part of the vertebrate brain maintains posture, muscle tone, and equilibrium? (a) cerebrum (b) medulla (c) cerebellum (d) neocortex (e) thalamusarrow_forwardThe main association area in the amphibian brain is the (a) cerebrum (b) medulla (c) neocortex (d) midbrain (e) arachnoidarrow_forwardWhich of the following is an illustration of experience-dependent plasticity? A) Rats raised in cages with toys have more dendritic spines and more synapses per neuron than rats raised in cages without this stimulation B) The brain expects experiences that all humans have (such as visual and auditory input) and uses them to shape the structure of the brain. C) Adults who became blind early in life were better able to discriminate musical pitch than were those who became blind later in life. D) All of the abovearrow_forward
- observe the illustration of a frogs brain on page 383. judging from the features of the brain where to send it would appear to be most acute in a frog upon what features of the brain would you base this conjecture?arrow_forwardWhat do the sensory systems of annelids, mollusks, arthropods, and vertebrates have in common?a. They all use the same stimuli for taste.b. They all use neurons to detect vibration.c. They all have image-forming eyes that evolved independently.d. They all use chemoreceptors in their skin to detect food.arrow_forwardThe major reason the cortex is so convoluted in humans is . A. to accomadate the large surface area of the cortex inside the skull B. the wrinkles protect the cortex from stretching C. the cortex shrinks during development D. the folds allow divisions of the cortex to communicate with each otherarrow_forward
- Which of the following brain regions is not correctly matched to itsfunction?a. The medulla oblongata regulates heartbeat, breathing, and bloodpressure.b. The cerebellum coordinates voluntary muscle movements.c. The thalamus secretes melatonin, which regulates daily bodyrhythms.d. The midbrain acts as a refl ex center for visual, auditory, andtactile responses.arrow_forwardAccording to the five principles of functional organization apply to all mammalian and most vertebrate brains, Vertebrate brain evolution has involved repeated expansion of forebrain areas. Explain why.arrow_forwardis it true that humans only use 10% of their brain. ?arrow_forward
- Test your Understanding Know and Comprehend A radially symmetrical animal such as Hydra is likely to have (a) a forebrain (b) a nerve net (c) cerebral ganglia (d) a ventral nerve cord (e) cerebral ganglia and a nerve netarrow_forwardResearch suggests that newborns are able to discriminate their own language from a foreign language, and their mother's voice from a stranger's voice. In contrast, their visual abilities are much less developed at birth, and develop rapidly over the first few months of life. One explanation for this is: A) Fetuses get equivalent auditory and visual experience before birth, but before they are born they are only able to learn from auditory experience B) Fetuses do not experience sensory information before birth (i.e., they cannot hear, see, smell, etc.) but language develops faster than vision because it is more evolutionarily important C) Fetuses get equivalent auditory and visual experience before birth, but vision requires additional postnatal triggers to be fully activated D) Fetuses can hear many types of sounds prenatally but have limited visual experience until after birth.arrow_forwardUnderstanding how your brain developed and what brain structures you share with other animals is crucial to understanding the bain and its functions. Describe the brain's formation, start with cell differentiation and end with central nervous system development (brain and spinal cord). The more detailed description the more you demonstrate your understanding. read:use your book and/or outside resourcesarrow_forward
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