The reason if the axons of human cord neurons are unmyelinated, than spinal cord would become larger or smaller. Introduction: Spinal cord is a long thin, tubular bundle of nervous tissues, which supports the cells that extends from the medulla oblongata in the brainstem. The spinal cord consists of nerves that carry impulses between the brain and rest of the body.

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Answer 1

Question

Chapter 39, Problem 1AC

Summary Introduction

To determine:

The reason if the axons of human cord neurons are unmyelinated, than spinal cord would become larger or smaller.

Introduction:

Spinal cord is a long thin, tubular bundle of nervous tissues, which supports the cells that extends from the medulla oblongata in the brainstem. The spinal cord consists of nerves that carry impulses between the brain and rest of the body.

Summary Introduction

To determine:

The reason a person would move faster or slower.

Introduction:

Axon is the nerve fibre that helps in the conduction of electrical impulses. Axons are the part of neuron. A neuron is a cell that carries electrical impulses. Neurons are called as the basic units of the nervous system and it plays important role in brain.

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We regularly make conscious decisions to make specific muscular movements. For example, when using the touch interface of your phone, you make a conscious effort to scroll up and down the screen using your finger. In contrast, there are many muscular movements that cannot be controlled voluntarily. For example, you cannot make your heart stop by thinking about it. Which of the following statements correctly identifies the parts of the nervous system that are involved in voluntary and involuntary actions, respectively? Select one: a. Motor neurons of the somatic nervous system and motor neurons of the autonomic nervous system b. Motor neurons of the autonomic nervous system and sensory neurons of the somatic nervous system c. Sensory neurons of the somatic nervous system and sensory neurons of the autonomic nervous system d. Sensory neurons of the peripheral nervous system and motor neurons of the autonomic nervous system

Taylor accidentally dips his fingers into a cup filled with steaming hot coffee. He immediately withdraws his hand and then exclaims “ouch!”What is the correct order of the nervous system structures involved in the scenario described above? Select one: a. sensory neuron, effector, motor neuron, interneuron b. motor neuron, receptor, sensory neuron, effector c. receptor, sensory neuron, interneuron, motor neuron d. sensory neuron, interneuron, effector, motor neuron

The image below shows a cross section through the spinal cord. Use the diagram to answer the following questions. a. What makes up the grey matter of the spinal cord? Why is this material grey? b. What makes up the white matter of the spinal cord? Why is this material white? c. Describe the functions of the following:i. Dorsal Horn. Ventral Horn. On the diagram, draw the pathway of information travel into and out of the spinal cord during a spinal reflex arc.

Answer 2

Question

Chapter 39, Problem 1AC

Summary Introduction

To determine:

The reason if the axons of human cord neurons are unmyelinated, than spinal cord would become larger or smaller.

Introduction:

Spinal cord is a long thin, tubular bundle of nervous tissues, which supports the cells that extends from the medulla oblongata in the brainstem. The spinal cord consists of nerves that carry impulses between the brain and rest of the body.

Summary Introduction

To determine:

The reason a person would move faster or slower.

Introduction:

Axon is the nerve fibre that helps in the conduction of electrical impulses. Axons are the part of neuron. A neuron is a cell that carries electrical impulses. Neurons are called as the basic units of the nervous system and it plays important role in brain.

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Answer 3

Question

Chapter 39, Problem 1AC

Summary Introduction

To determine:

The reason if the axons of human cord neurons are unmyelinated, than spinal cord would become larger or smaller.

Introduction:

Spinal cord is a long thin, tubular bundle of nervous tissues, which supports the cells that extends from the medulla oblongata in the brainstem. The spinal cord consists of nerves that carry impulses between the brain and rest of the body.

Summary Introduction

To determine:

The reason a person would move faster or slower.

Introduction:

Axon is the nerve fibre that helps in the conduction of electrical impulses. Axons are the part of neuron. A neuron is a cell that carries electrical impulses. Neurons are called as the basic units of the nervous system and it plays important role in brain.

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Answer 4

Question

Chapter 39, Problem 1AC

Summary Introduction

To determine:

The reason if the axons of human cord neurons are unmyelinated, than spinal cord would become larger or smaller.

Introduction:

Spinal cord is a long thin, tubular bundle of nervous tissues, which supports the cells that extends from the medulla oblongata in the brainstem. The spinal cord consists of nerves that carry impulses between the brain and rest of the body.

Summary Introduction

To determine:

The reason a person would move faster or slower.

Introduction:

Axon is the nerve fibre that helps in the conduction of electrical impulses. Axons are the part of neuron. A neuron is a cell that carries electrical impulses. Neurons are called as the basic units of the nervous system and it plays important role in brain.

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Answer 5

Chapter 39, Problem 1AC

Summary Introduction

To determine:

The reason if the axons of human cord neurons are unmyelinated, than spinal cord would become larger or smaller.

Introduction:

Spinal cord is a long thin, tubular bundle of nervous tissues, which supports the cells that extends from the medulla oblongata in the brainstem. The spinal cord consists of nerves that carry impulses between the brain and rest of the body.

Summary Introduction

To determine:

The reason a person would move faster or slower.

Introduction:

Axon is the nerve fibre that helps in the conduction of electrical impulses. Axons are the part of neuron. A neuron is a cell that carries electrical impulses. Neurons are called as the basic units of the nervous system and it plays important role in brain.

Answer 6

Chapter 39, Problem 1AC

Summary Introduction

To determine:

The reason if the axons of human cord neurons are unmyelinated, than spinal cord would become larger or smaller.

Introduction:

Spinal cord is a long thin, tubular bundle of nervous tissues, which supports the cells that extends from the medulla oblongata in the brainstem. The spinal cord consists of nerves that carry impulses between the brain and rest of the body.

Answer 7

Chapter 39, Problem 1AC

Summary Introduction

To determine:

The reason if the axons of human cord neurons are unmyelinated, than spinal cord would become larger or smaller.

Introduction:

Spinal cord is a long thin, tubular bundle of nervous tissues, which supports the cells that extends from the medulla oblongata in the brainstem. The spinal cord consists of nerves that carry impulses between the brain and rest of the body.

Answer 8

Summary Introduction

To determine:

The reason a person would move faster or slower.

Introduction:

Axon is the nerve fibre that helps in the conduction of electrical impulses. Axons are the part of neuron. A neuron is a cell that carries electrical impulses. Neurons are called as the basic units of the nervous system and it plays important role in brain.

Answer 9

Summary Introduction

To determine:

The reason a person would move faster or slower.

Introduction:

Axon is the nerve fibre that helps in the conduction of electrical impulses. Axons are the part of neuron. A neuron is a cell that carries electrical impulses. Neurons are called as the basic units of the nervous system and it plays important role in brain.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 39.1 - describe the structure of a typical neuron?Ch. 39.1 - Prob. 2CYL Ch. 39.2 - Prob. 1TC Ch. 39.2 - Prob. 1CSC Ch. 39.2 - Prob. 1CYL Ch. 39.2 - explain how an action potential in a presynaptic...Ch. 39.2 - Prob. 3CYL Ch. 39.3 - Prob. 1TC Ch. 39.3 - Prob. 1CYL Ch. 39.3 - Prob. 2CYL

Solution Summary: The author explains that if the axons of human cord neurons are unmyelinated, then the spinal cord would become larger or smaller.

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