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.

Veins between two capillary networks are portal systems. Closed circulatory system, but fluid constituents of blood leak out of capillaries and return to the heart by the second component of the ...

Ochsner Health and STEM NOLA are joining forces for an educational event focused on the heart and circulatory system, offering hands-on learning experiences for young people.

The average resting heart rate for a human is around 80 beats per minute ... This short film explains how the heart and circulatory system work, taking a close look at the four chambers, two ...

The human heart is a vital organ that pumps blood through the body. You probably don't even think about it, but your heart is always working — it beats about 100,000 times a day, which adds up ...

Your heart's will to beat ... film offers a look at respiration and a tour around the circulatory system and digestive system in the human body, through blood vessels and into mitochondria.