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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 ...

The circulatory system is made up of blood ... enough to provide for the lower amounts of oxygen needed by your body at rest. But when you're exercising, the heart pumps faster so that your muscles ...

They open up to let the blood move ahead, then they close quickly to keep the blood from flowing backward. Movement of blood through the heart and around the body is called circulation (say: ...

Nearly any vessel can be tied off gradually and system can enlarge alternate routes. Blood can, and does, flow in either direction in several vessels. Blood can be diverted towards or away from any ...

A new study reveals that microplastics can block blood flow in the brain, potentially leading to neurological issues like ...

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