Blu-ray, also known as Blu-ray Disc (BD) is the name of a new optical disc format that is rapidly replacing DVD. The format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data.
What is the medical term meaning voluntary increase in the rate and depth of breathing? What factors are most important in triggering the changes in breathing rate? Chemicals - most important are the concentrations of CO2, hydrogen  ions and O2 in the blood. Chemoreceptors are located in the  respiratory center, the carotid bodies and tâ¦he aortic bodies which  detect the levels.
Theobromine is a vasodilator that increases the amount of oxygen and nutrient flow to the brain and muscles. Theophylline, the second of the three primary metabolites, acts as a smooth muscle relaxant that chiefly affects bronchioles and acts as a chronotrope and inotrope that increases heart rate and efficiency.