The tubehead is a sealed, heavy metal housing that contains the x-ray tube that produces dental x-rays. This learning object will provide students with practice identifying and labeling the dental x-ray tubehead.

Learners answer questions from a game board with the headings "Pituitary," "Thyroid," and "Adrenal." Up to three people can play at one time. Contestants "buzz in" their answers to accumulate points.

In this interactive object, learners identify the parts of an animal cell and its organelles.

Learners follow an EMT response to a shopping mall where a teenage girl is choking on food. In this interactive object, learners examine response procedures, resources, and medications, and determine what actions the EMTs should take.