Oxygen joins to haemoglobin in the blood to be carried around the body
A dissertation topic concerning American presidents could explore how various presidents have handled the decision to go to war. Another topic would be to explore the childhoods of presidents.
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You certainly can suggest a dissertation topic concerning Sports History. You can research why certain sports were once popular, fell out of popularity, and maybe why they came back.
In humans and other higher animals with a circulatory system and a respiratory system. blood leaving the lungs contains "free" oxygen, weakly bonded by coordinate covalent bonds to the hemoglobin in the blood. Blood returning to the lungs contains relatively little free oxygen. However, all blood contains oxygen chemically bonded in carbohydrates and water.
Cyanide is an ion, CN-, composed of carbon and nitrogen and is highly toxic. It can replace oxygen in your blood effectively choking you. [http://www.answers.com/topic/cyanide Click here for the answer from Answers.com]
Hypothesis
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Although it is an arguable topic whether blood is ever truly blue at one point or not, we'll just go along with the common lesson that "blue blood" is blood that is not oxygen-rich. This blue blood is carried in the pulmonary artery, where it is taken to the lungs in order to obtain oxygen, where it is then sent back to the heart, then sent to the rest of the body.
The system of organs involved in the acquisition of oxygen and the elimination of carbon dioxide by an organism. The lungs and gills are the two most important structures of vertebrates involved in the phase known asexternaml respiratory, orhttp://www.answers.com/topic/gaseous exchanges, between the blood and environment. Internal respiration refers to the gaseous exchanges which occur between the blood and cells. Certain other structures in some species of vertebrates serve as respiratory organs; among these are thehttp://www.answers.com/topic/integument or skin of fishes and http://www.answers.com/topic/amphibian. The http://www.answers.com/topic/moist, highly http://www.answers.com/topic/vascular skin of anuran amphibians is important in respiration. Certain species of fish have a vascular http://www.answers.com/topic/rectum which is utilized as a respiratory structure, water being taken in and ejected regularly by the animal. Saclike cloacal structures occur in some aquatic species of turtles. These are vascular and are intermittently filled with, and emptied of, water. It is thought that they may function in respiration. During embryonic life the http://www.answers.com/topic/yolk-sac and http://www.answers.com/topic/allantois are important respiratory organs in certain vertebrates. See also http://www.answers.com/topic/allantois;yolk-sac.
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It binds to the Hemoglobin in the blood, and prevents it from carrying oxygen throughout the body, and deprives the cells and vital organs in your body of oxygen. Also it is colorless, tasteless, and can not be smelled, so this also makes it very dangerous