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.
Exercise also increases the oxidation of fat, which then leaves your body via your lungs, in the form of carbon dioxide, and your bodily fluids, in the form of water. Whatâs not so complex however, is how to optimize your metabolismâeven if you donât understand the exact mechanisms involved.