In this animated and interactive object, learners examine ventilation, external and internal respiration, and gas transport.

The user completes a fill-in-the-blank exercise to review the anatomy of the heart.

In this interactive object, learners review respiratory system terminology and then match the terms with their definitions.

Learners match respiratory drug actions to the appropriate drug category.

Learners review and reinforce their knowledge of brain anatomy and function in this learning activity.

In this interactive object, learners sort veterinary respiratory drugs into categories.

In this animated object, learners examine the mechanisms for gas exchange among the lungs, blood, and tissues.

In this learning activity you'll make observations and formulate an evaluation including diagnosis and microorganism identification.

Learners examine the anatomical parts of the lungs.

In this screencast, learners review the parts of the gastrointestinal system and then check their knowledge in a matching exercise.

In this learning activity you'll observe information and formulate an evaluation that includes diagnosis and microorganism identification.

The student identifies the anatomical parts of the ear and learns the purpose and function of these parts. A review follows the lesson.

In this video learners view the valves and chambers of the heart.

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

Learners examine and identify the parts of the hip joint.

Learners review normal conditions that are associated with aging. Changes are highlighted in the cardiovascular, musculoskeletal, respiratory, gastrointestinal, urinary, reproductive, endocrine, nervous, and sensory systems.

Through the use of symbols and words, the learner reviews the etiologies, symptoms, and treatment of respiratory and metabolic acid-base disturbances.

Learners read how fruits are classified according to their texture and according to how they developed from their floral anatomy.

In this well-illustrated object, learners examine basic floral anatomy. The flower is the reproductive organ of the angiosperm.

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