Blood Flow through the Heart (High School Level)
Instructor: Mpickering
This stop-motion animation was created by a high school biology teacher in New Hampshire to illustrate to his students how blood flows through the heart and body. Using a simple heart drawing, red and blue skittles, and the free version of SAM Animation (available from www.samanimation.com) the instructor was able to quickly create a model for his students.

How a Virus Attacks the Body (College Level)
Instructor: Faryal Khan2003
Have you ever wondered what is happening in your body when you get the flu?? This lesson focuses on the journey of a virus :D

Mitosis (College Level)
Instructor: Faryal Khan2003
This video goes in dept into mitosis. Mitosis is a form of cell division. All the cells in our body go through mitosis except our gametes (sex cells). The purpose of mitosis is to repair and replace our cells.

Meiosis (College Level)
Instructor: Faryal Khan2003
This video goes deep into meiosis. Meiosis is the process that occurs in the gametes (sex cells-sperm/egg).

Chromosomal Errors & How They Occur (College Level)
Instructor: Faryal Khan2003
This video focuses on errors that occur during or after chromosomal formation. We get chromosomes from our parents - one copy from mom and one copy from dad. During meiosis (check out the other video) chromosomes separate and distribute themselves evenly into eggs/sperms. However, sometimes problems occur and they don't separate properly. This can result in various...

Enzymes (College Level)
Instructor: Faryal Khan2003
This video is for high school and college students. It tells about the basic idea of enzymes-what are they? what do they do? What factors affect them?

Periodic Table Trends (College Level)
Instructor: Jonathan Streit
Periodic Table Trends are discussed for the determination of atomic radius, electron affinity, electronegativity, and ionization energy. Effective nuclear charge is discussed, and is the basis for understanding the periodic table trends. Review questions are presented at the end of the lesson.

Viruses (College Level)
Instructor: Jonathan Streit
An overview of viruses, including anatomy and the process of infection. There is a discussion of the different types of virus, and the process by which they cause infection. There are review problems presented at the end of the lesson.

Muscle (College Level)
Instructor: Jonathan Streit
A review of muscle physiology, with discussion of anatomy, types of muscle, and the steps of contraction. Review problems are presented at the end of the lesson.

Digestion (College Level)
Instructor: Jonathan Streit
A review of the process of digestion, including discussion of the relevant anatomy and physiologic processes. This lesson traces digestion through the body, from beginning to end. There are review questions presented at the end of this lesson.