The short-term variations in cardiovascular functions that help an animal to use skeletal muscles to run away from danger. Concept introduction : A skeleton can support an animal, protect its internal organs, and allows for the movement of an organism. There are three types of skeletons. They are hydrostatic skeleton, exoskeleton, and endoskeleton.

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Answer 1

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Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 42.3, Problem 2CC

Summary Introduction

To explain: The short-term variations in cardiovascular functions that help an animal to use skeletal muscles to run away from danger.

Concept introduction:

A skeleton can support an animal, protect its internal organs, and allows for the movement of an organism. There are three types of skeletons. They are hydrostatic skeleton, exoskeleton, and endoskeleton.

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Which of the following statements best describes the differences in the regulation of cardiac and skeletal muscle contraction? The amount of contractile force actively generated by muscle cells is increased by stretch in skeletal muscle and decreased by stretch in cardiac muscle. Cardiac muscle is stimulated by motor neurons and skeletal muscle by neurones from the autonomic nervous system. Skeletal muscle contractile force is augmented by increasing the firing frequency of action potentials whereas cardiac muscle contractile force is enhanced by noradrenaline increasing calcium influx through ion channels. Ryanodine receptors in skeletal muscle are opened by a mechanism that requires calcium influx whereas in cardiac muscle membrane depolarisation alone without calcium influx is sufficient to open ryanodine receptors.

Answer 2

Question

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 42.3, Problem 2CC

Summary Introduction

To explain: The short-term variations in cardiovascular functions that help an animal to use skeletal muscles to run away from danger.

Concept introduction:

A skeleton can support an animal, protect its internal organs, and allows for the movement of an organism. There are three types of skeletons. They are hydrostatic skeleton, exoskeleton, and endoskeleton.

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Answer 3

Question

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 42.3, Problem 2CC

Summary Introduction

To explain: The short-term variations in cardiovascular functions that help an animal to use skeletal muscles to run away from danger.

Concept introduction:

A skeleton can support an animal, protect its internal organs, and allows for the movement of an organism. There are three types of skeletons. They are hydrostatic skeleton, exoskeleton, and endoskeleton.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 42.3, Problem 2CC

Summary Introduction