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 ...

According to Johns Hopkins Medicine, the vascular system consists of blood vessels that transport lymph fluid and blood throughout the human body. It’s also known as the circulatory system.

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 ...