Khan Academy
Khan Academy: Tissues, Organs, & Organ Systems
Describes the main tissue types and organ systems of the body and how they function together.
Sophia Learning
Sophia: Organ Systems
A video lesson explaining the structure and function of the human body's major organ systems. [5:58]
CK-12 Foundation
Ck 12: Episd: Organization of the Human Body
[Free Registration/Login may be required to access all resource tools.] From basic cells to tissue to organ systems, identify and understand the structures and functions of the human body's organization.
OpenStax
Open Stax: Functions of Human Life
The different organ systems each have different functions and therefore unique roles to perform in physiology. These many functions can be summarized in terms of a few that we might consider definitive of human life. Learn here about the...
Other
Cartage.org: The Excretory System
This comprehensive resource examines the human excretory system, kidney function, nitrogen wastes, water and salt balance, and more.
Open Curriculum
Open Curriculum: Digestive System
Students learn about the organs and major functions of the digestive system, the roles of intestinal bacteria, and about diseases of the digestive system.
CK-12 Foundation
Ck 12: Life Science: Organization of the Human Body
[Free Registration/Login may be required to access all resource tools.] Cells, like these nerve cells, do not work in isolation. To send orders from your brain to your legs, for example, signals pass through many nerve cells. These cells...
Sophia Learning
Sophia: Organ Systems: Lesson 2
This lesson will introduce the 11 organ systems of the body, giving a brief overview of their function. It is 2 of 2 in the series titled "Organ Systems."
Sophia Learning
Sophia: Organ Systems: Lesson 1
This lesson will introduce the 11 organ systems of the body, giving a brief overview of their function. It is 1 of 2 in the series titled "Organ Systems."
Biology Corner
Biology Corner: Anatomy: Urinary System: Structure of the Nephron
Students read text and color leach labeled part of the nephron in the human kidney to understand the structure and function of the kidney. This is a ready-to-use teacher resource for biology review.
CK-12 Foundation
Ck 12: Life Science: Cardiovascular System
[Free Registration/Login may be required to access all resource tools.] Your cardiovascular system has many jobs. At times the cardiovascular system can work like a pump, a heating system, or even a postal carrier. To do these tasks,...
Untamed Science
Untamed Science: Biology: Human Biology: Skeletal System
Make learning about the human skeletal system fun with full-color diagrams. Read about the structure and function of the body's 206 bones.
Untamed Science
Untamed Science: Biology: Human Biology: Excretory System
Explore how the human body rids itself of wastes with the function of the kidneys.
OpenStax
Open Stax: Anatomy & Physiology: Overview of the Digestive System
Students learn about the structure and function of the human digestive system, the accessory digestive organs, the tissue layers of the alimentary canal, the contributions of the enteric and autonomic nervous systems to digestive system...
OpenStax
Open Stax: Anatomy and Physiology: Functions of the Integumentary System
Learn here all about how the integumentary system functions: such as protecting the body from invasion by microorganisms, chemicals, and other environmental factors; preventing dehydration; acting as a sensory organ; modulating body...
OpenStax
Open Stax: Anatomy & Physiology: An Overview of the Endocrine System
Find out about the types of intercellular communication, their importance, mechanisms, and effects. Then continue on to the next sections to learn about hormones, the different endocrine glands, the organs with secondary endocrine...
OpenStax
Open Stax: Anatomy & Physiology: Organs With Secondary Endocrine Functions
Students learn about the organs with a secondary endocrine function, the hormones they produce, and the effects on human physiology.
OpenStax
Open Stax: Anatomy and Physiology: Female Reproductive System
Students learn about the structure and function of the organs of the female reproductive system.
OpenStax
Open Stax: Anatomy and Physiology: Male Reproductive System
Students learn about the structure and function of the organs of the male reproductive system.
OpenStax
Open Stax: Anatomy & Physiology: Anatomy of the Lymphatic and Immune Systems
Students learn and apply understanding of the structure and function of the components of the human lymphatic and immune systems.
Other
The World Wide Anaestheist: Lung Function Fundamentals
The mechanics of lung function are explained. Numerous definitions and examples are provided including Poiseuille's Law, blood flow, ventilation, and fluid mechanical properties.
Merck Sharp & Dohme Corp.
Merck Manual: Female Reproductive System
The female reproductive system is discussed on this site from The Merck Manual. Click the links at the top of the page for in-depth information about the structure and function of the external and internal genital organs.
Alabama Learning Exchange
Alex: "A Body Is a Terrible Thing to Waste"
Students will explain that the human body has different organ systems with different roles. Also, they will discover and illustrate the organelles that each system contains. In addition, students will describe the function of each...
CK-12 Foundation
Ck 12: Fourth Grade Science: Life Science: The Digestive System
[Free Registration/Login may be required to access all resource tools.] Covers the major organs and general functions of the digestive system; the digestive functions of the mouth, esophagus, and stomach; and how digestion and absorption...