• Groups of organs with specific structures and functions work together as systems, which interact with other systems in the body.
• The development and uses of technology to maintain human health are based, in part, on the changing
needs of society.
Crash Course Biology: Biological Molecules
Crash Course Biology: The Digestive System
Crash Course A&P: Digestive System Part 1
Crash Course A&P: Digestive System Part 2
Crash Course A&P: Digestive System Part 3
Ted-Ed: How Your Digestive System Works
Crash Course Biology: The Circulatory System