Oxygen (O) Human beings obtain this element from the air. It enters a person’s bloodstream through the lungs. The blood carries oxygen to the cells of the body. In the cells‚ oxygen combines with chemicals obtained from food. Energy produced during this process makes it possible for each cell to perform its function in the body. Also‚ oxygen atoms are present in water and water is essential to all life. It is present in many organic compounds. While oxygen is necessary for life‚ oxygen as ozone
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14500. 3.6 billions 100 14500 is the quantity of wars that occurred in the history of man kind 3.6 billions of people died in the wars There were only 100 years without war in the whole history of human civilization! Iraq and Kuwait had had a long standing‚ but low level‚ border dispute over a pair of Persian Gulf islands. No preventative diplomacy was employed during this period of escalation‚ and Kuwait was invaded in August of 1990.more than 200 people lost their lives. In Vietnam war
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The importance of calcium and phosphorus is that they play a role in the body and their role is to build bones and teeth this is because they allow rigidity to the structure of the bones and teeth. This is because bones are continuously being rebuilt with new bone being formed and also teeth as well but at a slower rate but this is why calcium and phosphorus is needed and is important. The role of calcium is that it circulates blood and it also helps blood clot in other body tissues and also plays
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environment. They are able to digest certain substances easier than humans and use resources to make life easier for us. On the other hand‚ phosphorus‚ one of the many essential nutrients for swine‚ has negatively impacted the environment due to swine excretions. Elevating this problem has led to the genetic improvement of swine. Phosphorus is crucial for healthy growth in pigs. Unfortunately‚ 50 to 70 percent of the phosphorus in grain is in the form of phytic acid‚ a compound indigestible by pigs
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Different pollutants released from the vehicles would cause different impacts to the human body. The first one is Nitrogen oxides (NOx). When the fuels are burning at a very high temperature combined with the electric sparks in the vehicles causing the nitrogen and oxygen in the atmosphere combined together but then the formation of nitrogen oxide will react with the oxygen to form nitrogen dioxide(NO2) rapidly. If people inhaled a low level of NO2‚ the gas will irritate your eyes‚ nose‚ throat‚
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chromosomes. The Spermatogonia increases in size and mass and becomes a spermatocyte which then divides by meiosis. Meiotic cell division results in four haploid cells each with 23 homologous chromosome pairs. Secondary spermatocytes are produced by the first meiotic division. The second meiotic division produces two spermatids from each secondary spermatocyte. The spermatids now grow a cytoskeletal structure and the flagellum begins to grow. The flagellum is full of mitochondria which provide
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Carbon cycle essay I eat some corn during lunch and then cellular respiration takes place. During the process of cellular respiration the glucose and oxygen I took in will be turned into carbon‚ water‚ and ATP. I will expel this carbon through my lungs. This carbon then is used by photosynthesis of phytoplankton in the water. During the photosynthesis that takes place‚ sunlight‚ water‚ and carbon are taken in by the plankton and then a fish eats this phytoplankton and this organism dies. When the
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The human life cycle is essential to the world’s population. It allows individuals to create families that can change society in multiple ways and all those individuals that has the capacity to change the world has a mother. Every soon to be mother wants an easy pregnancy but most importantly hopes and prays for a healthy baby. Understanding pregnancy is important soley due to the fact its a major factor in the cycle of life. Pregnancy involves growth‚ development and a new beginning. A
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My impact on the cycle of water Water‚ especially the use of water is normally taken for granted here in the United States. You need a glass of that cool‚ refreshing stuff; normally you would just turn on the tap and watch it flow. What would happen if when you were waiting for that crystal clear liquid to come flowing out‚ but to your surprise it doesn’t? The misuse and abuse of this natural resource has been the topic of conversations around the world. Lack of education and poor personal choices
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Carbon is one of the most essential elements in life. Carbon makes up the building block of all living things including proteins‚ lipids‚ nucleic acid and carbohydrates. Carbon also can be found abundantly distributed in a nonliving environment‚ in the atmosphere as Carbon Dioxide (CO2)‚ natural gas‚ dead organic matter and coal in the ground. Carbon is cycled and maintained a stable concentration in the through the earth’s lithosphere‚ atmosphere‚ hydrosphere‚ antrosphere and biosphere undergoing
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