Structural heart defects can be detected during prenatal ultrasound, and many children born with single ventricle defects undergo a three-stage surgery that reroutes the circulatory system to ...

The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body.

Development of heart: On each side of embryo ... Changes led to the development (in lungfish) of a double circulatory system from a single circulatory system. These changes provided a more efficient ...

Your heart is an exquisitely engineered pump ... video Human circulation This short film takes us on a journey around the circulatory system using the example of a baby's first breath.