Khan Academy
Khan Academy: The Musculoskeletal System: Le Bron Asks: What Muscles Do We Use?
LeBron James asks Sal Khan about which muscles we use when we shoot a basket. [3:14]
Khan Academy
Khan Academy: The Musculoskeletal System: Anatomy of a Skeletal Muscle Cell
Understand the structure of a skeletal muscle cell. [12:42]
Khan Academy
Khan Academy: The Reproductive System: Egg, Sperm, and Fertilization
Learn about the structure and function of egg and sperm fertilization. [11:35]
Khan Academy
Khan Academy: Urination
This Khan Academy resource is a video about the process of urination.
Khan Academy
Khan Academy: Types of Hormones
There are three major types of hormones. 1) Protein hormones (or polypeptide hormones) are made of chains of amino acids. An example is ADH (antidiuretic hormone) which decreases blood pressure. 2) Steroid hormones are derived from...
Khan Academy
Khan Academy: The Effects of Mutations
The Khan Academy resource is a video about the effects of mutations.
Khan Academy
Khan Academy: What Is Pneumonia?
Pneumonia is a medical condition where lung tissue becomes inflamed, usually caused by a virus or bacteria. Learn how shortness of breath, cough, and fever are common symptoms of this condition and why they occur in pneumonia.
Khan Academy
Khan Academy: The Kidney and Nephron
Overview of how the nephrons in the kidney filter blood and reabsorb water and other molecules.
Science for Kids
Science Kids: Human Body Videos: Human Respiratory System
Narrated animation showing how the lungs work to allow us to breathe and exchange oxygen for carbon dioxide. (Length: 1 min. 18 sec.)
Khan Academy
Khan Academy: Cytotoxic T Cells
How cytotoxic T cells get activated by MHC-I/antigen complexes and then proceed to kill infected cells. [10:05]