By Bruce Forciea
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In this animated and interactive object, learners identify the valves and chambers of the heart.
In this animated and interactive object, learners examine how blood flows through the heart and lungs. A brief 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.
Answer these questions to show off your knowledge of the heart!