<span>To defend cardiac output (the amount of blood your heart pumps out per minute), your heart can compensate by beating faster in order to pump out more blood per beat.</span>
Duplication of previous generation
The correct answer is: Heartburn often results when the gastroesophageal sphincter fails to close properly.
The gastroesophageal sphincter is a muscle located at the bottom of the esophagus that has to be relaxed in order to allow food to flow down into the stomach. After it contracts (tightens), the food and the stomach acid can’t flow back up into the esophagus.
When the gastroesophageal sphincter fails to close properly acid reflux occurs and causes the heartburn.
The cerebellum is located in the posterior cranial fossa. It is at the inferior or underneath the occipital lobe of the cerebrum.