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.

This short 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. There is a detailed ...

Ochsner Health and STEM NOLA are teaming up to present a hands-on learning experience for kids focused on the heart and circulatory system. The STEM Saturday ... one of the most important systems in ...

PRESENTER:'Ella has P.E. today, and her circulatory system is going to have some exceptional ... The average resting heart rate for a human is around 80 beats per minute, but everyone is different ...