The circulatory system is the heart and all the blood vessels in the body which carry cells and substances to all its parts. The heart is a large muscular organ which pumps blood to the lungs and ...

Explains how the heart lungs veins arteries and capillaries work together in the process of circulation Uses animation cinefluorography and a combination of artwork and a live subject to visualize ...

Optimize your physical performance by understanding and training the five fundamental pillars of fitness: cardiovascular ...

Despite this variability, the structure of the heart and major vessels tells us ... These modifications revolve around change from gill to lung respiration and the evolution of the double circulatory ...

Brisk walking, running or jogging, swimming, cycling and jumping ropes are some of the best cardio exercises for your heart.

When it comes to understanding the human blood circulation system, one fascinating aspect is the lung was ist tonerin capillaries. These veins play an ...

Our circulatory system, a complex network of blood vessels, capillaries, veins, and arteries, plays a critical role in delivering oxygen and nutrients to every cell in the body. When blood flows ...

The heart is the size of a fist and weighs 0.45kg - the equivalent of about half a bag ofsugar. In an adult of average fitness, it beats around 70 times a minute (at rest) and 100,000 times a day.