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

Learners examine the different stages of maturation for red blood cells, white blood cells, and platelets. A quiz completes the activity.

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.

In this interactive object, learners read the definitions of prefixes and suffixes that relate to the digestive system. They then use this knowledge to combine word components to form medical terms.