Opening the book…
In Unit 4, students examine the principal means of transport for materials needed to support the human body, regulate its internal environment, and provide protection.
- Chapter 18: The Cardiovascular System - Blood
- 18.0: Introduction
- 18.1: An Overview of Blood
- 18.1.1: Student Notebook Assignment
- 18.2: Production of the Formed Elements
- 18.2.1: Student Notebook Assignment
- 18.3: Erythrocytes
- 18.3.1: Student Notebook Assignment
- 18.4: Leukocytes and Platelets
- 18.4.1: Student Notebook Assignment
- 18.5: Hemostasis
- 18.5.1: Student Notebook Assignment
- 18.6: Blood Typing
- 18.6.1: Student Notebook Assignment
- 18.7: Key Terms
- 18.8: Interactive Link Questions
- Chapter 19: The Cardiovascular System - The Heart
- There is no single better word to describe the function of the heart other than “pump,” since its contraction develops the pressure that ejects blood into the major vessels: the aorta and pulmonary trunk. From these vessels, the blood is distributed to the remainder of the body. Although the connotation of the term “pump” suggests a mechanical device made of steel and plastic, the anatomical structure is a living, sophisticated muscle.
- 19.0: Introduction
- 19.1: Heart Anatomy
- 19.1.1: Student Notebook Assignment
- 19.2: Cardiac Muscle and Electrical Activity
- 19.2.1: Student Notebook Assignment
- 19.3: Cardiac Cycle
- 19.3.1: Student Notebook Assignment
- 19.4: Cardiac Physiology
- 19.4.1: Student Notebook Assignment
- 19.5: Development of the Heart
- 19.5.1: Student Notebook Assignment
- 19.6: Key Terms
- 19.7: Interactive Link Questions
- Chapter 20: The Cardiovascular System - Blood Vessels and Circulation
- 20.0: Introduction
- 20.1: Structure and Function of Blood Vessels
- 20.1.1: Student Notebook Assignment
- 20.2: Blood Flow, Blood Pressure, and Resistance
- 20.2.1: Student Notebook Assignment
- 20.3: Capillary Exchange
- 20.3.1: Student Notebook Assignment
- 20.4: Homeostatic Regulation of the Vascular System
- 20.4.1: Student Notebook Assignment
- 20.5: Circulatory Pathways
- 20.5.1: Student Notebook Assignment
- 20.6: Development of Blood Vessels and Fetal Circulation
- 20.6.1: Student Notebook Assignment
- 20.7: Key Terms
- 20.8: Interactive Link Questions
- Chapter 21: The Lymphatic and Immune System
- 21.0: Introduction
- 21.1: Anatomy of the Lymphatic and Immune Systems
- 21.1.1: Student Notebook Assignment
- 21.2: Barrier Defenses and the Innate Immune Response
- 21.2.1: Student Notebook Assignment
- 21.3: The Adaptive Immune Response - T Lymphocytes and Their Functional Types
- 21.3.1: Student Notebook Assignment
- 21.4: The Adaptive Immune Response - B Lymphocytes and Antibodies
- 21.4.1: Student Notebook Assignment
- 21.5: The Immune Response Against Pathogens
- 21.5.1: Student Notebook Assignment
- 21.6: Diseases Associated with Depressed or Overactive Immune Responses
- 21.6.1: Student Notebook Assignment
- 21.7: Transplantation and Cancer Immunology
- 21.7.1: Student Notebook Assignment
- 21.8: Key Terms
- 21.9: Interactive Link Questions
Thumbnail: Flow of blood through the cardiac chambers. (Public Domain; Josinho8 via Wikipedia).
This page titled Unit 4: Fluids and Transport was last modified on Thu, 17 Jul 2025 04:33:13 GMT and is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform.
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