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Ch 16: Excretion: Urination & Sweat

About This Chapter

Watch fun and engaging video lessons and learn about the excretory and urinary systems, kidneys and much more. These lessons are followed by self-assessment quizzes you can use to test your knowledge of excretion concepts.

Excretion: Urination and Sweat - Chapter Summary and Learning Objectives

This chapter details the processes involved in the excretory system and urinary system. Professional instructors describe how waste products in our bodies are detoxified and how the kidney works. You'll be introduced to the layers and function of the human skin and key terms like urethra, nephron, medulla, cortex, dermis and adipose tissue. This chapter is designed to teach you about:

  • Blood filtering and elimination of urine
  • Purpose of the liver
  • Components of the urinary system
  • Structures of the kidney
  • Function of human skin

Video Objectives
Excretory System Describes how waste is filtered out of the blood through the kidneys and how blood composition and pressure stay regulated. Examines the role of the liver in detoxification and how urine is stored and eliminated.
Gross Anatomy of the Urinary System Summarizes toxin and drug excretion efforts of the kidneys. Explains how the nephron filters blood and forms urine. Analyzes the roles of the ureter, bladder and urethra.
The Kidney: Major Divisions & Structures Examines the kidney's layers and defines renal. Assesses the renal cortex and medulla, pelvis and hilum.
Human Skin: Layers, Function & Structure Identifies the three primary layers of human skin. Defines epidermis, melanocytes and keratinocytes. Describes adipose tissue and reviews the functions of the dermis and subcutis.

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