Absortion and Secretion

Running head: Absorption and secernment Absorption and Secretion: The digestive System and Respiratory System Written By: heather Hoff Structure and Function of the Human Body The digestive body and respiratory systems are two of the most classic systems in the physical structure. They spiel in nutrients and vitamins, oxygen and many much things the body necessitate in magnitude to survive. As come up as deliverance in the right things needed, they also cast out and get disengage of the things not needed in your body like light speed dioxide and fecal matter to deliver 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, pharynx, defile, stomach, small intestine, whacking intestine, rectum and anus. The tongue and teeth are add-on structures in your mouth. The major(ip) 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 number one dissolve of the digestive tract. It is made up of glands, teeth and your tongue.

provender 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 rebuke 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 nasop! harynx, is back to the nasal unhallowed region. The middle region, the oropharynx, is posterior to the oral cavity. The food enters this cavity when it is swallowed. The dismantle 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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