Learners review a graphic summary of the three series of reactions that occur during cellular respiration and the net energy (ATP) yield of that process.

In this animated activity, learners view the various hand, arm, and shoulder muscles in action. The students test their knowledge of the location of the muscles in a drag-and-drop exercise.

In this overview, students examine and identify mannitol positive and mannitol negative bacteria on mannitol salt agar.

In this animated object, learners examine how the sensory, motor, mixed, and reflex nerves work in the human body.

Learners read how inches of water column is used as a unit of pressure measurement. Practical applications and a conversion formula to psi are included.

Vertebral column and skull