In this interactive object, learners examine the structure and function of the sense of taste.

Explore the location, structure, and function of the juxtaglomerular (JG) apparatus.

In this animated object, learners read an introduction to protein structure and function.

In this interactive object, learners work 11 problems covering atomic structure, conductors, and insulators.

In this lesson on atomic structure, learners examine how the binding energy of electrons affects light production in certain phosphors used in x-rays.

In this learning activity you'll discover three factors that affect group performance: group cohesiveness, communication structure, and individual roles.

Learners view an animation of a counterbalance valve in operation and examine the valve’s internal structure.

In this screencast, learners examine the internal structure of an unloading valve. This learning object includes a video clip demonstrating the use of an unloading valve in a metal stamping application.

In this learning activity you'll study the structure of the cell membrane and construct it using the correct molecules.

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

Learners view an animation of a sequence valve in operation and examine the valve’s internal structure.

In this interactive object, learners read the definitions of the parts of a cell and assemble a basic eukaryotic cell in a drag and drop exercise. A matching quiz involving cell terms and their definitions completes the activity.

In this animated activity, learners practice listening and counting the apical pulse of adults, children, and infants.

In this interactive object, learners identify the risk factors and the precautions to follow when treating a patient with a cardiac condition. They also design a treatment plan for that patient.

Learners view a mind map of the social-conflict Approaches and answer questions about the inequalities, competition, and power found in social structures.

Learners use this Structured Query Language tutorial to gain an understanding of how a SELECT statement is built. This learning object has audio content.

Students read about the process of hair growth beginning with the joining together of amino acids.

In this interactive object, learners examine the neuron pathway into and out of the spinal cord. They complete the activity by testing their knowledge of vocabulary and the location of spinal cord structures.

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

Learners read about the mutations that occurred in plants for the successful transition from an aquatic to a terrestrial existence. The classification of plants is based on these adaptive structures.