Study objectives

• Describe the morphological differences between skeletal muscle and smooth muscle

• Explain how contraction of smooth muscle occurs

• Explain how relaxation of smooth muscle occurs

• Explain why smooth muscle contraction is slow and prolonged

• Distinguish between multiunit smooth muscle and single-unit smooth muscle

• Compare and contrast pacemaker and slow-wave potentials

• List the factors that may alter smooth muscle contractile activity

• Explain how intracellular calcium concentration may be increased

• Describe the length-tension relationship in smooth muscle

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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