Biology 12

Chapter 5 The Nervous System • MHR 141 The Brain and Homeostasis A neurologist once compared brain research to the following sce ...

142 MHR • Unit 2 Homeostasis illustrates an EEG reading. Such readings have been used to study brain activity during sleep to he ...

Chapter 5 The Nervous System • MHR 143 number of major functions, each of which is related to a particular structure. The cardia ...

MINI LAB Make a Model of a Brain Some medical schools require students to build a model of the brain. You can use jelly, other t ...

Chapter 5 The Nervous System • MHR 145 matter made up of axons. The corpus callosum transfers impulses from one hemisphere to th ...

146 MHR • Unit 2 Homeostasis SECTION REVIEW Identify the two major parts of the human nervous system. How is the autonomic syst ...

Chapter 5 The Nervous System • MHR 147 5.2 How the Neuron Works Aneuron is formed by the same process of cell division as occurs ...

− − + + / pump − − + + − − impulse gated channel gated channel Na+ gated channel Na+ Na+ Na+ K+ gated channel K+ K+ K+ K+ ...

Chapter 5 The Nervous System • MHR 149 travel faster than this. For a wave of depolarization travelling along a neuron to the sm ...

150 MHR • Unit 2 Homeostasis cord injuries. In addition, Peter Erikson from Göteborg University in Sweden and his co-worker Fred ...

Chapter 5 The Nervous System • MHR 151 Neurotransmitters can also stimulate or inhibit cells that are not neurons. This applies ...

5.3 Sensory Receptors 152 MHR • Unit 2 Homeostasis Sight, hearing, taste, smell, and touch are all ways in which your body gathe ...

MINI LAB What Is the Advantage of Binocular Vision? In this lab you will work with a partner to briefly explore how binocular vi ...

SKILL FOCUS Predicting Performing and recording Analyzing and interpreting Conducting research Investigation 5•A 154 MHR • Unit ...

Chapter 5 The Nervous System • MHR 155 Procedure 1.This is a controlled experiment. The more variables you control, the more rel ...

Cones are not evenly distributed on the retina. They are concentrated in an area called the fovea centralis, which is located di ...

Near-sightedness Far-sightedness Astigmatism normal eyeball normal eyeball Long eyeball; rays focus in front of retina when view ...

SKILL FOCUS Performing and recording Analyzing and interpreting Communicating results Investigation 5 • B 158 MHR • Unit 2 Homeo ...

Chapter 5 The Nervous System • MHR 159 Exploring Further 5.Use sources such as other texts, reference books, or the Internet to ...

SKILL FOCUS Initiating and planning Predicting Identifying variables Performing and recording Analyzing and interpreting Investi ...