Learners examine the anatomical parts of the lungs.
In this animated and interactive object, learners examine how blood flows through the heart and lungs. A brief quiz completes the activity.
In this animated and interactive object, learners examine ventilation, external and internal respiration, and gas transport.
In this screencast, learners identify the parts of the cardiovascular system and examine blood flow.
In this animated object, learners examine the mechanisms for gas exchange among the lungs, blood, and tissues.