Learners review the differences within the right and left parietal lobes. They answer questions based on a case study and describe a client in a second case study.

In this screencast, learners examine the properties of the peptide bond and how the bond relates to the structure of hair.

This animated object illustrates the events leading to the migration of phagocytes into areas of tissue damage and/or bacterial presence. Learners view bacterial cell phagocytosis, its subsequent enzymatic digestion, and exocytosis.

Learners examine devices that are used to protect a motor from damage, such as fuses, overload heaters, and thermal protectors. A quiz completes the activity.

In this interactive object, learners examine how hydraulic oil is contaminated, the types of damage contamination can cause, and the methods used to clean the oil.

In this screencast, learners examine the function and location of the motor neurons and the damage that can result when they are injured.

Learners examine the circuitry in a DC variable speed drive that protects the rectifier diodes and motor windings from being damaged due to excessive current.