So it's a good job we've got the circulatory system to transport nutrients, water and oxygen to the entire body. Your circulatory system is made up of three parts: the heart, blood vessels and the ...

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 ...

Each 2.54 square centimetre (a square inch) of human skin has six metres (20ft) of blood vessels. Veins hold about 65 per cent of the body's blood and have one-way valves tohelp blood move.

The changes in metabolic activity associated with endothermy and the change from gill to lung respiration has led to changes in vertebrate circulatory ... highly efficient system, but has some ability ...

The human body, with all its powers of endurance ... The blood vessels and the heart make up the circulatory system, which also conveys foodstuffs and waste products round the body.

It is estimated that the market for air purifiers will reach $6.8 billion by 2030. Scientists develop human-biology inspired ...

New language of sensors may aid search for better pain and itch treatments The human body’s sense of touch is ... signal the lightest pressures and can be found monitoring the circulatory system, ...

The conjoined twins from United States, Abby and Brittany Hensel, have two heads, two brains and two hearts but one ...