Instructional Video
Khan Academy

Khan Academy: From Terpenes to Steroids Part 2: Squalene, Cholesterol & Steroids

11th - 12th
After learning about terpenes, let's see how our body uses them to eventually make all the steroid hormones of our body. [4:29]
Instructional Video
Khan Academy

Khan Academy: Thoracic Aortic Aneurysms

9th - 10th
This video lesson from Khan Academy provides information about an aneurysm, one type of circulatory system disease. Students will learn about thoracic aortic aneurysms.