TRANSPORT IN MAMMALS Blood is a connective tissue and every connective tissue consists of cell‚ ground substance or matrix and fibres. For blood‚ it has cells‚ matrix in the form of plasma and fibres in the form of fibrin. In transportation‚ the surface area to the volume ratio of organisms contributes to the rate of movement of materials. For example in Hydra‚ and flat worms‚ the ratio is so high so simple diffusion can allow substances to reach all tissues easily. If the ratio is low‚ in mechanisms
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devices in our homes‚ people today are working harder and longer. Explain whether it would be better for people to work less and have more leisure time. IS LESS WORK AND MORE LEISURE TIME REALLY A GOOD IDEA? Thanks to the non-stop development of technology‚ nowadays‚ there are plenty of timesaving devices in our homes. Nevertheless‚ people don’t seem to work less and have more relaxing time. Many say that we’re working too much and that we nowadays have much less leisure time than we did
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Katelyn Anderson Dr. Taylor ENG 015 15 January 2013 Banning Public Smoking Smoking cigarettes should be banned in public areas because it endangers innocent bystanders‚ such as pregnant women‚ people with asthma‚ and adolescents‚ as well as smokers themselves. By prohibiting smoking in public places‚ we would concurrently be protecting innocent people from secondhand smoke‚ as well as any potential symptoms or diseases it could cause. As a result‚ we would see a significant decrease in the amount
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is one of hundred technology applications. The word Internet is sometime abbreviated (net) by the users. Internet has wide usages that facilitate human lifetime. However‚ using the Internet effectively is a big challenge currently because everyone use it based on his interests. Internet can be used effectively for communication‚ education‚ and e-commerce. Communication is a popular method of using Internet adequately.Humans’ interacting with others is a fundamental need considering the innate
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Why Teenagers Need Cars Imagine cruising down the highway in a brand-new red Mustang. This must be every teenager’s dream‚ though in reality‚ a compact sedan with a couple of dings in the door is probably more typical for those lucky enough to have a vehicle. Life is hard for teens who lack their own set of wheels. Today a car is a necessity‚ not a luxury‚ for teenagers‚ in my opinion. To begin‚ the daily schedule of the average student is a whirlwind of activity. What parent has time to
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Should the Government Regulate Food More? Since the time the fast food industry was established‚ people have been enjoying the convenience of having food served to them in a fast and timely manner. However‚ today people are learning about the harmful effects fast food can have on a person’s body. We the people need to do something about this fast food epidemic. These businesses need to be regulated more by the government to keep the American nation a healthy nation. As a result‚ this issue is a
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Should people become vegetarians? Today people have many concerns in their lives so their attentions to what they eat decreases day by day. In this chaotic world eating meat-based diet cannot be good for people and the world around them. Switching to a vegetarian diet is the most effective thing that people can do to make this world a kinder‚ fairer‚ and better place to live and this can improves health. As Albert Einstein said‚ "Nothing will benefit
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Smoking In Public: The Reasons Why Smoking In Public Should Be Banned Nina Marie Maldonado Post University Smoking In Public: The Reasons Why Smoking In Public Should Be Banned There are many reasons why smoking in public should be banned. The three main reasons to ban smoking in public are because of the health risks‚ offensive smell‚ and environmental risks that are the cause of cigarette smoke. Secondhand smoke is smoke from a cigarette‚ cigar‚ or pipe that is involuntarily inhaled‚ especially
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Self-driving cars should not be legalized for countless reasons; the dangers they bring will result in a dangerous society and a deteriorating economy. Self-driving cars will endanger millions because they come with cybersecurity issues.(Auto Insurance Center) ”The very security behind self-driving cars would be a major obstacle‚ especially because the technology would be of very high interest to hackers‚ as pointed out by the Guardian” (Auto Insurance Company) Unlike other hacks‚ cyber attacks
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Religious people should be more concerned about humans than endangered species Religious people should be more concerned about humans than endangered species Endangered species have more right not to be killed than members of other species‚ endangered species whose numbers are so small that the species is at risk of extinction. Once the endangered animals are gone they won’t come back. They are an important role in wildlife‚ if we take them out the whole system will be disrupted if some animals
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