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This week we're beginning a set of labs on humans as biological entities ... and a set of labs in which you should use the skills and insights you've developed as a researcher in past labs to develop and carry out your own lines of investigation. We will introduce you to some techniques for observing the pulse, and make a few observations on it together. It is then your task, in groups of three, to develop an interesting inquiry using those techniques to explore the regulation of the pulse ("who's in control?" - "the difference between animate and conscious"?), carry it out, and report your study (motivation, observations, interpretations) here in the lab forum area.

• Hyper Heart
• Basic Cardiac Anatomy and Physiology
• Anatomy of the Human Circulatory System
• The Human Circulatory System: How it Works
• The Heart, with pulse sounds
• Cardiac Output