Endocrine System

• Hormones that bind to receptors in the plasma membrane of their target cells activate enzymes in the target cell cytoplasm (p. 294)

• Hormones that bind to nuclear receptors in their target cells alter the target cell metabolism by regulating gene expression (p. 292)

• Hormonal secretions from adipose cells regulate hunger and metabolism . .(p. 606)

• Anabolism and catabolism are regulated by a number of hormones (p. 609)

• Insulin stimulates the synthesis of glycogen and fat (p. 611)

• The adrenal hormones stimulate the breakdown of glycogen, fat, and protein (p. 619)

• Thyroxine stimulates the production of a protein that uncouples oxidative phosphorylation. This helps to increase the body's metabolic rate (p. 620)

• Growth hormone stimulates protein synthesis (p. 621)

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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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