When blood returns to the heart, it follows a complicated pathway. If you were in the bloodstream, you would follow the steps below one by one. Oxygen-poor blood (shown in blue) flows from the ...

In mammals the heart is a double pump. The right side pumps deoxygenated blood to the lungs and the left side pumps oxygenated blood to the rest of the body tissues. This means that a red blood ...

Every second, an adult generates around five million new blood cells to replace aging or dying ones, making the blood system a highly regenerative organ.

What Is Hypertensive Heart Disease? Your heart beats around 100,000 times every day. Every minute, it pumps nearly 1.5 gallons of blood. But there are a lot of reasons why this crucial organ can ...

"After you eat a meal, it's been shown that your heart rate and blood pressure actually are increasing," said Micah Yoder, a graduate student in the lab of Jonathan Kirk at Loyola University Chicago.

According to the American Heart Association, as soon as you quit your blood circulation increases ... and mental health through biological pathways, and indirectly through risky health behaviors.

Your blood type and its connection to your heart health may matter more than you give it credit for. Like most things in life, context and the big picture are important factors to consider.

When blood returns to the heart, it follows a complicated pathway. If you were in the bloodstream, you would follow the steps below one by one. Oxygen-poor blood (shown in blue) flows from the ...