into the femoral vein of a healthy female whose name is Liz. So if everyone is ready‚ please sit back and relax and enjoy our voyage as we explore the many structures of the human body. Attention everyone! We have just received an alert that there is a bacterium that is invading the lower lobe of the right lung. So as we make our journey to the infected area we will observe how Liz’s body is handling this infection. As we start our journey the lateral circumflex femoral vein follows the path of
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Fantastic Voyage By: Chantea Braddock HS130 Section # 9 Unit 9 Assignment Kaplan University 03/05/2012 Once again my mini sub and I will be miniaturized making us 8 microns long and witnessing another Fantastic Voyage in a human body. This time I will be swallowed by a 55 year old man‚ while he is eating his meal consisting of a hamburger‚ French fries‚ and a root beer. I will be piloting my sub through his gastrointestinal tract to monitor the digestion of his meal‚ I will be describing
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units‚ arteries‚ veins and capillaries. Arteries carry blood away from the heart. Their structure is made up of a thick‚ stretchy muscular wall‚ they have a narrow central tube and they contain no valves. Arteries branch into smaller tubes called arterioles and then into capillaries. Their main function is to carry oxygenated blood. Veins carry blood towards the heart. Its structure is made up of thin walls with little muscle‚ they have a wide central tube and they also contain valves. Veins branch
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ASBiology and Disease * Causes of disease * Pathogens Disease suggests a malfunction of the body or mind which has an adverse effect on good health For a micro-organism to be considered a pathogen it must * Gain entry to the host * Colonise the tissue of the host * Resist the defences of the host * Cause damage to the host tissues Pathogen Infection Disease Entry pathways * Gas exchange system * Digestive system Natural defences * Mucous layer
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half of the heart. In addition to wall and the cavity areas‚ the heart has blood vessels that are connected to the heart. They include: the two vena cavas‚ which are connected to the right atrium‚ the pulmonary arteries‚ which are connected to the right ventricle‚ the pulmonary veins‚ which are connected to the left atrium‚ and the aorta‚ which is connected to the left ventricle. The last part of the heart is the heart valves. Some of them come in pairs‚ and they are: the atrioventricular valves
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widely with location and function of the vessel. Arteries‚ subjected to considerable pressure fluctuations‚ have thicker walls overall‚ with the tunica media being thicker than the tunica adventitia. Veins‚ in contrast‚ are subjected to much lower pressures and have thinner walls overall‚ with the tunica adventitia often outsizing the tunica media. Because thinwalled veins conduct blood back to the heart against gravity‚ valves (not present in arteries) also are present at intervals to
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receives blood returning to the heart‚ small earlike projections called auricles extend anteriorly from the atria. RIGHT VENTRICLE AND LEFT VENTRICLE- the lower chambers‚ receive blood from the atria and contract to force blood out of the heart into arteries. SEPTUM- solid wall like‚ separates the atrium and ventricle on the right side from their counterparts on the left‚ as a result blood from one side of the heart never mixes with blood from the other side ( except in the fetus) 5) Describe the function
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01. Anatomy of face lip and oral cavity Face: Nasal bone Oral cavity: 1. vestibule- b/w teeth& buccal gingiva and the lips & cheeks 2. oral cavity proper- b/w upper and lower dental arches Roof- palate Post. - oropharynx * When closed is fully occupied by the tongue Lip: o pars cutanea‚ rubbor labi‚ pars mocosa o oribicularis oris m. o Sup. & inf. Labial mm. vessels ‚ nerves Blood supply: Upper lip- sup. Labial branches < facial & infraorbital aa. Lower lip- inf. Labial branches
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Vertebrate Physiology Study Guide Last Part of Chapter 10 □ Cilia are specialized for odor detection (They have receptors and second messenger machinery □ Mucus from the olfactory glands traps odorants □ Linda Buck identified a large family of odorant receptor genes in rats(1‚000 types); belong to the G protein associated 7-transmembrane receptor family □We only have 400 odorant receptors; the olfactory system appears to use combinations of receptors(words) to greatly reduce the number of
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flowing into the right atrium. As the right ventricle contracts‚ the blood travels through the pulmonic valve and leaves the heart. Through the valve‚ the blood travels to the pulmonary artery and into the lungs‚ which is where the blood will be oxygenated. Once filled with oxygen‚ the blood travels through the pulmonary veins and goes into the left atrium. Once the oxygen filled blood is deposited into the left atrium‚ it begins to contract‚ which ultimately causes it to move into the left ventricle by
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