tenâ¢or /ËtÉnÉ/USA pronunciation n. the course of meaning that runs through something written or spoken; drift:[countable]The tenor of the meeting was one of tenseness. continuous course or movement:[countable]nothing to disturb the tenor of our lives. Music and Dance [uncountable] the adult male voice between the bass and the alto.
The pulmonary artery carries deoxygenated blood from the heart to the lungs and is the only artery in the body that carries deoxygenated blood. The pulmonary vein carries oxygenated blood from the lungs to the heart, and it is the only vein that carries oxygen-rich blood.
The main function of the circulatory system is to get blood throught the body. Your blood is pumped around by the heart which is the main function in your circulatory system. The heart sends blood through your blood vessels.The circulatory system consists of the heart, blood vessels, lymph, blood, and the lymphatic vessels and glands. Transport gases, like oxygen from the lungs to cells around the body and carbon dioxide from the cells to the lungs. 2  Transport nutrients like glucose. 3  Transport wastes from cells to organs that play the role of eliminating them. 4  It contains cells that fight infections and defend against foreign bodies.