Quick Answer. In an officially-sanctioned MLB baseball game, there are 9 innings. If the home team is ahead in the top of the ninth and earns 3 outs, the game ends at 8 1/2 innings. If the game is tied after the away team earns 3 outs in the bottom of the ninth, the game goes into extra innings. Keep Learning.
When you exercise, the muscles you use require more energy. When exercise can be sustained, this demand is met primarily by aerobic means. Aerobic energy production in muscles results in increased gas exchange at the lungs, because more oxygen is taken in and more carbon dioxide is released.
While exercising, the level of carbon dioxide in the blood increases due to increased cellular respiration by the muscles, and so breathing rate increases. When carbon dioxide levels increase in the blood, it reacts with the water in blood, producing carbonic acid.arbon dioxide is produced by the body from everyday activity. If you increase that activity, your body will produce more carbon dioxide. So you body will increase the breathing rate to blow it off. Source(s): RRT, AE-C, EMT.