and other tissues throughout the body. These gases are carried in several different forms 1. dissolved in the plasma 2. chemically combined with hemoglobin 3. converted into a different molecule Page 2. Goals To explore how oxygen is transported in the blood. To explore how carbon dioxide is transported in the blood. To understand the effect of variables‚ such as PO2 and PCO2‚ on oxygen and carbon dioxide transport. Page 3. Oxygen Transport Transport of oxygen during external respiration
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Lymphatic filariasis is known as elephantiasis‚ it is a condition that causes swelling to the lower limbs. There are three different filarial parasites that can cause Lymphatic filariasis in humans Brugia malayi‚ Brugia timori‚ and Wuchereria bancrofti. The three are transmitted by mosquitoes‚ but can be found in different places in world. Brugia malayi is found in the South and South East part of Asia. Bruges timori is found in the lesser Sunda islands of the Indonesian archipelago. Wuchereria
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A system is a group of organs that work together and provide an organism with an advantage for survival. It is the most complex organization in your body and the final level of the progression from cells to tissues to organs and then systems. Systems work alone and with other systems to allow your body to maintain homeostasis. Homeostasis is a stable internal environment that allows you (and your cells) to survive. While every one of your systems is needed to survive‚ your nervous system is the
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How Does the UPS Tracking System Work? Posted by The Fox on March 8‚ 2012 UPS is one of the largest mail shipment companies in the world. Every day‚ UPS handles and delivers nearly 15 million letters‚ parcels‚ and boxes to individuals and companies in well over two hundred countries all over the world. It is simply amazing how such an international giant manages to track and transport such a large amount of mail. Following is an overview of how the UPS tracking system works. When a person delivers
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The cardiovascular system is made up of the heart and blood vessels‚ which are divided into arteries‚ veins and capillaries. The blood delivers nutrients and oxygen to the cells in the body. The arteries carry blood away from the heart and the veins carry it back to the heart. Capillaries are found in the muscles and the lungs‚ they have valves to stop the blood flowing backwards and this is also where gaseous exchange takes place. The heart works as a pump that pushes blood to the organs‚ tissues
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Dynamic System Development Method (DSDM) Dynamic System Development Method is another approach to system development‚ which‚ as the name suggests‚ develops the system dynamically. This methodology is independent of tools‚ in that it can be used with both structured analysis and design approach or object-oriented approach. The Dynamic System Development Method (DSDM) is dynamic as it is a Rapid Application Development method that uses incremental prototyping. This method is particularly useful for
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Permit-to-work systems WHAT ARE PERMITS-TO-WORK? A permit-to-work system is a formal written system used to control certain types of work that are potentially hazardous. A permit-to-work is a document which specifies the work to be done and the precautions to be taken. Permits-to-work form an essential part of safe systems of work for many maintenance activities. They allow work to start only after safe procedures have been defined and they provide a clear record that all foreseeable hazards
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Brake system is a device that creates frictions to slow down and eventually to stop the movement of an object. There are a few different types of brakes; however‚ they are all built on the same principle of friction. In automotive‚ the most common type of brake today is the disc brake because it provides higher efficiency and more safety to users. Disc brake consists of brake fluid‚ a piston‚ a caliper‚ brake pads‚ a rotor‚ and a hub. The following is a basic description of a disc brake’s mechanism
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Knowledge work systems (KWS) serve the information needs at the knowledge level of the organization. Knowledge work systems aid knowledge workers. In general‚ knowledge workers are people who hold formal university degrees and who are often members of a recognized profession‚ like engineers‚ doctors‚ lawyers‚ and science. Their jobs consist primarily of creating new information and knowledge. Knowledge work systems‚ such as scientific or engineering design workstations‚ promote the creation of
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THE IMMUNE SYSTEM Definition of the Immune System The human immune system is a collective network of tissues‚ glands‚ and organs that work in a coordinated effort with each other to guard our bodies from foreign antigens such as viruses‚ bacteria‚ and infection causing microorganisms. For the immune system to work properly‚ two things must happen: first‚ the body must recognize that it has been invaded‚ either by pathogens or toxins or by some other threat. Second‚ the immune response must be
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