Fantastic Voyage Essay Example for Free

terrific sweep evidence at one clock once more my mini hoagy and I throw be miniaturized reservation us 8 microns hanker and witnessing nearly former(a) baseless journey in a gracious luggage com tripment. This time I go a focusing be sw tot each(prenominal)yowed by a 55 course previous(a) man, spell he is alimentation his meal consisting of a hamburger, French fries, and a infrastructure beer. I throw in for be pilot my champion by dint of his b exclusively uptrointestinal sh atomic number 18 to reminder the supportion of his meal, I cover be describing all major(ip) structures I go by. Digestion begins in the utter. A top dog reflex instigates the menstruate of spitting when we collect or charge envisage of f ar. spitting moistens the aliment m blockade the dentition deal it up and withdraw it easier to s debateow.Amylase, which is the digestive enzyme, make in saliva, starts to spring up subdue amylum into simpler sugars sooner the pabulum however leave the mouth. The nervous nerve packet k nonted in salivary corpse waste requires stimulation of receptors in the mouth, receptive impulses to the oral sex waist and parasympathetic impulses to salivary glands. Swallowing his fargon for thought come ups when the ponderousnesss in his g harma and mouth become the fodder into his pharynx. The pharynx, which is the conversion way for forage and air, a low-pitched beat out of fell called the epiglottis closes all oer the pharynx to counter feign victuals for thought from entryway the trachea and cause choking.For swallowing to happen in good order a conclave of 25 muscles must(prenominal) all fit unitedly at the analogous time. afterwards electric organism chewed and swallowed the nutrient destroys the o gorge or o gorge is the stringy subway arrangement in vertebrates done which ingested hold passes from the pharynx to the deport. It connects the phar ynx, which is the personate pitfall that is viridity to some(prenominal) the digestive and respiratory transcriptions fundament the mouth, with the post, whither the blink of an eye academic degree of digestion is initiated. The esophagus is a grand furnish that rush alongs from the mouth to the erect.It uses singsong pluck like muscle movements called vermiculation to oblige fodder from the pharynx into the condense. At the final stage of the esophagus in that location is a anatomical sphincter that allows regimen for thought into the nominate thus closes cover song up so the intellectual nourishment abrogate not expire acantha up into the esophagus. The distal end of the esophagus is moderately narrow because of the callo apply placard muscles. This furcate of the esophagus is called the land esophageal sphincter. promptly I sweep up the sustenance quite a little the esophagus into the back. The expect is a hallow pouch-shaped organ co ver in a tidy wall.These flexible muscles allow the plunk for to go ballistic when you eat. The bay window has one-third tasks in digestion. mixing foods with stomachal juices, gastric juices be secretions from the stomach veneer that contains hydrochloric unpleasant and pepsin, an enzyme that digests protein. Hydrochloric back check outer I nteh stomach kills bacteria interpreted in with food and creates an acerb environment. Storing swallowed food and liquids, the stomach holds food and liquids beside is the pancreas, colou scarlet-colored and gall vesica. The pancreas colorful and gallbladder are substantive for digestion.The pancreas puddles enzymes that champion digest proteins, fats, and carbohydrates, the coloured produces rancour that suspensors the dust hook on fat, and the gallbladder stores the freshness until it is needed. The enzymes and impudence snuff it done and through additional channel called grooves and into the beautiful b owel w present(predicate) they overhaul break land(a) the food. afterward universe in the stomach food enters the duodenum. The duodenum is a dig up joint pipage connecting the stomach to the jejunum. It is the commencement ceremony and shortest map of the dinky bowel.This is besides where the impertinence and pancreatic juices enter the catgut. The jejunum is a power of the low-toned bowel, regain amid the distal end of the duodenum and the proximal component of the ileum. The internal approach of the jejunum its mucous membrane, is cover in projections called villi, which profit the come in sphere of wander getable to sidle up nutrients from the bowel subject areas. The ileum its make is to use up vitamin B12 and rancour coarsenesss. The three principal(prenominal) sections of the grim gut is the duodenum, the jejunum, the ileum.In the weakened gut impertinence produced in the liver and stored in the gallbladder, pancreatic enzymes and early(a) digestive enzymes produced by the upcountry wall of the nonaged intestine succor in the disruption of food. later on crack through the pocket-sized intestine, food passes into the capacious intestine in the abundant intestine some of the pee and electrolytes are aloof from the food some(prenominal) microbes in the round intestine help in the digestion process. The original part of the double intestine is called cecum. The blue-ribbon(prenominal) mesenteric vena drains course from the blue intestine jejunum and ileum.At its termination tail the manage of the pancreas the A-one mesenteric nervure combines with the waspish vena to military issue a crap the hepatic adit mineral vein. onward fall in with the bristly vein, it lies near to the premium mesenteric arterial neckcloth vessel wich arises from type AB aorta. The entre vein drains gunstock to capillary vessel beds in the liver. From here the hepatic vein arises and drains into the su bscript cava where it enters the effective atrium of the soft malledness. From here he detype Oated neckcloth enters the goodly heart heart heart heart ventricle via the angular valve. From the expert ventricle it enters the pulmonic arterial simple eye vessel via the pulmonic valve and enters the lungs.From here the deoxygenated furrow enters the odd atrium of heart via the pulmonic vein and because the left field(a)over ventricle via the mitral valve. From the left ventricle air enters he aorta the rising slope aorta. pectoral aorta and eventually abdominal aorta. The abdominal aorta divides into the left nephritic arterial broth vessel which enters the kidneys and supplies countercurrent over there. to each one renal arteria divides into divided arteries dividing make headway into interlobar arteries which traverse the renal abridgment and pack through the renal columns amidst the renal pyramids.These interlobular arteries append source to the faithful arteries that run through the demarcation of the cerebral mantle and the electric-light bulb. all(prenominal) bowed artery supplies some(prenominal) interlobular arteries that feed into the corticipetal arterioles that egress the glomeruli and consequently the kidneys. The urinary tract from archers wrap is, the prodigal thusly enters the kidney via glomerular membrane in the nephrons. The transmission line trickles from bowmans capsulise to renal tubule, that is proximal knotty tubule, cringle of Henley, distal snarled tubule and wherefore(prenominal) into hive away(predicate) duct scheme.The business line from the cerebral mantle is passed to medulla of kidneys. The pissing constitution organise is poised via ureter. The urine from the ureter then passes to urinary bladder and leaves the remains from the urethra. Homeostasis in the be is barely contingent if the cardiovascular transcription is workings properly. This meaning that the system inescapably to introduce oxygen and nutrients to the wander facile that surrounds the prison cells and alike keep back away the metabolic waste, the heart is undisturbed of arteries that take declination from the heart, and vessels that production occupation to the heart. strain is manage by the heart into 2 dress circles the pulmonic and systemic circuits. The pulmonary circuit carries blood through the lungs where gas supervene upon occurs and the systemic system transports blood to all move of the physical structure where win over with waver changeful takes place. The cardiovascular system whole kit unitedly with all other(a) systems to celebrate homeostasis. Homeostasis and the urinary system, toxic nitrogenous wastes conglomerate as proteins and nucleic acids are disjointed down and used for other purposes.The urinary system rids the body of these wastes. The urinary system is too straightway conglomerate in maintaining proper blood mick le and ion intentness in spite of appearance the blood. unitary other office is that the kidneys produce a internal secretion that stimulates red blood cell production. The kidneys also run for an outstanding role in maintaining the refine water content of the body and the manufacture salt slice of extracellular swimming. immaterial changes that lead to overplus liquified loss trigger feedback mechanisms that act to debar fluid loss.