Legal challenge to the South Carolina Fetal Heartbeat and Protection from Abortion Act hinges on early cardiac activity and ...

Researchers found that newborn immune cells regenerate heart tissue by producing thromboxane. Mimicking this process in ...

Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns ...

Your heart is an exquisitely engineered pump ... journey around the circulatory system using the example of a baby's first breath. Human circulatory and digestive system. videoHuman circulatory ...

Originally appeared on the NOVA Web site Cut to the Heart. Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and ...