Because the respiratory system will continue to force air down. Hope this helps.
Someone fighting fever will have a negative nitrogen level. When someone expands energy and fails to provide enough nutrients to their body to recover, negative nitrogen levels occur <span />
By the time food<span> and digestive juices reach your </span>large intestine<span>, most </span>digestion<span> and nutrient absorption has already taken place. The </span>large intestine's<span> major jobs are to absorb excess water and to prepare feces -- or undigested waste material -- for removal via the rectum and anus.</span>