22. How are phloem and xylem cells the same or different? 23, Why do airlines en
ID: 214440 • Letter: 2
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22. How are phloem and xylem cells the same or different? 23, Why do airlines encourage people to move their legs during long flights? Because since you're inmobile for long periods of time in a cramped place bllod clots can sometimes form 24. What does EPO have to do with Lance Armstrong? Why would he have used it? 25. What does a blood pressure reading of 140/90 tell you? Should you be concerned? What may be causing this reading? 26. How is it possible that water can be moved up a tree to a height of 300 feet even though there are no pumps and it is impossible to suck water up that high? 27. How may size and SA/V have played a role in the evolution of transport systems? 28. Is it better to live on land or in the ocean? You need to be able to argue vour decision with clear reasoning and data. 29. Is it better to be a single-celled organism or multi-cellular? You need to be able to argue your decision with clear reasoning and data. 30. Is it better to be warm or cold blooded? You need to be able to argue your decision with clear reasoning and data. 31. Is it better to be a prokaryote or a eukaryote? You need to be able to argue your decisiornExplanation / Answer
Answer 21) Phloem and xylem are same in terms of complex tissues that perform transportation of food and water in a plant. They are the vascular tissues of the plant and together form vascular bundles. They work together as a unit to bring about effective transportation of food, nutrients, minerals and water.
They are different: Phloem functions as transportation of food and nutrients such as sugar and amino acids from leaves to storage organs and growing parts of plant. This movement of substances is called translocation. While xylem functions as Water and mineral transport from roots to aerial parts of the plant.
Answer 23) because of risk to reduce blood clots to the travellers who are travelling a long journey,
Answer24)
handed a life ban from all Olympic-sanctioned sports and stripped of his Tour de France titles.Armstrong admitted to using testosterone, human growth hormone and the steroid cortisode during his seven back-to-back Tour victories from 1999 to 2005 that boosted him in fast runner in cycling.
Answer 25) 140-systolic blood pressure and 60 is diastolic blood pressure. Means you have a normal blood pressure reading but it is a little higher than it should be, and you should try to lower it. YES, we should be concered about it.
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