CK-12 Foundation
Ck 12: Biology: Human Body: Organization Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on the organization levels in the human body from organ systems to cells.
Khan Academy
Khan Academy: Tissues, Organs, & Organ Systems
Describes the main tissue types and organ systems of the body and how they function together.
University of Arizona
The Biology Project: Human Biology: New Methods for Karyotyping
Read about the findings from the scientific group from the National Center for Human Genome Research, which published a modification to traditional karyotyping that permits rapid identification of chromosomal alterations.
Untamed Science
Untamed Science: Human Biology: Musculatory System
Learn about the three types of muscle tissue, how a muscle contracts, and how muscles are adapted for exercise. [3:40]
Other
Bones and Skeletal System
This thorough site delves into the structure of the bone, the main bones in the human skeleton (definition and pictures), and a comparison of the male and female pelvis.
Northwestern University
Di Humani Corporis Fabrica
A historically significant translation of the groundbreaking text on human anatomy that changed the study of anatomy forever.
Ducksters
Ducksters: Biology for Kids: Nervous System in the Human Body
Kids learn about the science of the Nervous System in the human body. Brain, spinal cord, and nerves communicate.
CK-12 Foundation
Ck 12: Biology: Nervous System Study Guide
Use this review guide of the human body nervous system to understand its importance to the human body.
CK-12 Foundation
Ck 12: Biology: Immune System Part I Study Guide
This study guide on the immune system covers key terminology and the different lines of defense the human body has to protect itself against pathogens. It is available for download with free registration.
CK-12 Foundation
Ck 12: Biology: Muscular System Study Guide
Review the structure and function of the human body's muscular system.
Other
Nobel Prize in Physiology or Medicine Winners 2008 1901
A list of the Nobel Prize winners in Physiology or Medicine (updated yearly). Click on the names for more information.
Library of Congress
Loc: Everyday Mysteries: What Is the Strongest Muscle?
There are a variety of ways one can look at what might be the strongest muscle in the body. This site defines the various types of muscles and goes on to explain which would be considered the strongest.