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Introduction to Human Biology: The Human Body Systems (3:35)

A CHAPTER FROM: Life Science: Human Biology

In the complex human body, 1 square inch of skin on the hand sprouts 30 hairs, holds 9 feet of blood vessels, 134 yards of nerves, and 9,000 nerve endings, as well as 700 pain, heat, and pressure sensors. Humans have 206 bones, in addition...

Human Body Systems: The Reproductive System (17:00)

All humans began as a single cell no larger than a grain of sand. The trillions of cells that make up an adult came from the single cell formed after the joining of a male and female sex cell. This video explores human reproduction, the process...

The Carbonic Acid/Hydrogen Carbonate Ion Buffer... (8:02)

A CHAPTER FROM: Chemistry Connections: Buffers and Buffer Systems

This clip provides chemical demonstrations of why buffer systems are needed in the human blood system and how the circulatory system transports and exchanges oxygen and carbon dioxide. There is also a brief discussion about blood types.

Human Body Systems: The Circulatory System (23:00)

Our hearts tirelessly beat to pump blood throughout the intricate system of veins and arteries that nourish and cleanse our bodies. The circulatory system carries food and oxygen to the trillions of living cells in the human body and collects...

Human Body Systems: The Skeletal and Muscular Systems (24:00)

People are able to do things like walk, run, exercise, and play sports because of the interaction of the skeletal and muscular systems. The human body contains 206 bones and over 600 muscles. This video describes the structure and function...

The Interaction of Humans with the Desert (1:02)

A CHAPTER FROM: Life in the Desert System

Human urbanization causes adverse effects on the desert system.

Basics of Biology, The: The Human Body: Organ... (14:39)

Colorful computer animation sparks interest in this program designed to introduce students to the functions of the organ systems of the human body. The program starts by looking at the integumentary system and proceeds through the circulatory,...

The Human Digestive System (17:54)

Food must be digested by the body so that all useful nutrients can be absorbed. As media support for Biology and Health units on the human digestive system, this program offers "inside" information, with endoscopic pictures, diagrams, photomicrographs,...

Video Quiz: The Human Nervous System (4:27)

A CHAPTER FROM: Human Body Systems: The Nervous System

This is a video quiz about the human nervous system.

Science Investigations: Life Science: Investigating... (90:00)

This library of videos contains 10 segments on the systems of the human body. • What Is a Scientific Investigation? (10 min.) • What Are Scientific Measurements? (10 min.) • The Scientific Method (12 min.) • How Bones Develop (7 min.) • Food...

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