Advanced circulatory system physiology

Circulatory system introduction
5 questions
Blood pressure
Blood pressure control
Fetal circulation
Blood vessels
Arterial stiffness
Heart muscle contraction
Heart depolarization
Nerve regulation of the heart
Preload and afterload
Pressure volume loops
Changing the PV loop

Unlock your personalized study plan

Take a quiz to identify your areas for growth. We'll recommend lessons for exactly what you need to learn.
Identify your areas for growth in this lesson:
About this unit
Your heart sits in the middle of your chest and pumps blood from about 4 weeks after conception until the day that you die. This little pump is the size of your clenched fist and it never stops. Watch these videos to learn more about how the heart works, blood flow in arteries and veins, blood pressure, and lymphatics.