Learners listen to the pronunciation of fungi names and then type the terms. They may choose the number of names that they wish to spell (up to 13). Immediate feedback is given, and a final score is provided at the end of the activity.

Learners listen to the pronunciation of the binomial names for microorganisms and then type the words. They may choose the number of names that they wish to spell (up to 112). Immediate feedback is given, and a final score is provided at the end of the activity.

Learners listen to the pronunciation of protozoa and worm names and then type the words. They may choose the number of terms that they wish to spell (up to 25). Immediate feedback is given, and a final score is provided at the end of the activity.

Learners listen to the pronunciation of viral names and then type the terms. They may choose the number of names that they wish to spell (up to 16). Immediate feedback is given, and a final score is provided at the end of the activity.

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.

Learners read descriptions of the actions of the superficial skeletal muscles and see their locations. A 61-question quiz completes the activity.

Learners match diseases with their portals of entry, causative agents, and associated vectors.

In this interactive and animated object, learners read a description of the number, name, and function of the cranial nerves. A matching quiz completes the activity.

In this animated object, learners compare the mode of action of steroids with the action of amino acid-based hormones.

In this animated and interactive object, learners identify the valves and chambers of the heart.

In this interactive and animated object, learners examine the characteristics, ecological importance, and lifecycle of the ascomycetes of the fungi kingdom.

In this animated object, learners examine the eight cranial bones, the fourteen facial bones, and the ribs.

In this animated object, learners examine the different phases of a cell's life.

In this animated object, learners view molecules as they collide and move between two different solutions. They also observe what happens when the temperature of the solutions is raised or lowered.

In this animated object, learners examine water molecules moving through a semipermeable membrane.

In this animated object, learners examine the major descending tracts of the nervous system. A matching exercise completes the activity.

In this animated object, learners view the "T" and "P" waves and the "QRS complex." A brief quiz completes the activity.