anatomy of the heart | HeartFacts.co.uk » Heart physiology/anatomy
During pregnancy, the fetal lungs are not used for breathing—the placenta does the work of exchanging oxygen and carbon dioxide through the mother's circulation. With the first breaths of air the baby takes at birth, the fetal circulation changes.
raspstudying: 11.4.2015 - Here are some more notes with the same style as the earlier one! This time about the heart and circulation system. :) Happyhappy weekend for everyone!
18.5 Pacemaker cells trigger action potentials throughout the heart: Human Anatomy and Physiology
Human Anatomy and Physiology Diagrams: Heart Anatomy
type of muscle tissue tissue types study guide alyvea
circulation through the body | Diagram of the Circulatory system
Human Anatomy and Physiology Diagrams: Circulatory system diagram
The human heart is truly a thing of beauty! I am obsessed with cardiology.
THREE TYPES OF MUSCLE TISSUE - IILyear4