Running head: Absorption and discrimination Absorption and Secretion: The digestive System and Respiratory System Written By: heather Hoff Structure and Function of the Human Body The digestive carcass and respiratory systems are two of the most grave systems in the torso. They spiel in nutrients and vitamins, oxygen and many much things the body necessitate in companionship to survive. As hygienic as deliverance in the right things needed, they also loose and get disengage of the things not needed in your body like light speed dioxide and fecal matter to constrain your body going. Digestive System The digestive tract, also know as the gastrointestinal (GI) tract, is an 8-meter tube that extends from the mouth to the anus. It includes your mouth, throat, defile, stomach, small intestine, tumescent intestine, rectum and anus. The tongue and teeth are add-on structures in your mouth. The study accessory organs that have a role in your digestion of food and fluid are the salivary glands, liver, gallbladder, and pancreas. The mouth is the basic subprogram of the digestive tract. It is made up of glands, teeth and your tongue.
regimen is ingested into the mouth where the tongue, teeth and salivary glands do there part in a process called automatonlike digestion. Mechanical digestion is where you dress down your food. After chewing, your food then moves into your pharynx (Shier, Butler, Lewis, 2006) Your pharynx serves a place in both your respiratory and digestive system channels for air and food. The upper region, called the nasopharynx, i! s back to the nasal darned region. The middle region, the oropharynx, is posterior to the oral cavity. The food enters this cavity when it is swallowed. The abase region, the laryngopharynx, or hypopharynx, opens into both your esophagus and larynx. Food is coerce into the pharynx by the tongue, and peristaltic movements push the food from the pharynx into the esophagus. Your esophagus is a collapsible tube...If you want to get a wide essay, order it on our website: BestEssayCheap.com
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