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Vasa Recta is the name given to blood vessels supplying the medullary region of the kidney. They are arranged in a U configuration but flow is opposite to that of the Loop of Henle. The blood vessels descend from the cortex down into the medulla. Its supplies the nutrients and oxygen the Loop of Henle needs.
The main function of the respiratory system is to discard waste in the form of carbon dioxide and to take in oxygen. Carbon dioxide is carried to the lungs in erythrocytes (red blood cells) and released, then the erythrocytes collect oxygen and deliver this essential gas to our bodies.he primary functions of the respiratory system is to: -supply oxygen to the blood-ventilate the lungs-excrete water vapour and carbon dioxide-maintain the pH (percent hydr â¦ ogen) of blood-conduct respiration-regulate gas exchange-release energy.