Exercise 5: Cardiovascular Dynamics: Activity 1: Studying the Effect of Blood Vessel Radius on Blood Flow Rate Lab Report Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly. 1. Blood flow is measured in You correctly answered: b. ml/min. 2. Which of the following has the greatest effect on blood flow? You correctly answered: a. blood vessel radius 3. Which of the following would not result in a decrease in the blood vessel radius? You correctly answered: c. vasodilation
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increase the transpiration rate more than the others? Why? The transportation was increased mostly by the fan: 6.4 As it increased the respiration by transporting water away from plant. 4. Which species of plants that you tested had the highest transpiration rates? Why do you think different species of plants transpire at different rates? The plant that was observed with the highest rate of transportation is the rubber plant. Also‚ each plant species has a rate of transportation‚ good
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can measure the heart rate of the crayfish by measuring the change of the impedance of the circuit that is created by placing fine wires on
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EXCHANGE RATES The exchange rate is the price of one country’s currency in terms of another country’s currency Quoted exchange rates can be either direct or indirect‚ Direct: home currency per unit of foreign currency 39 Rupees per US Dollars 80 Rupees per Pound Indirect: foreign currency per unit of home currency 0.0255102 US Dollar per Indian Rupee 0.491594 Pound per Indian Rupee Appreciation of Currency Currency Appreciation means that the given currency
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Despite the sharp decrease in the dropout rate in rural America between the years 1975 and 1993 which essentially closed the gap between the urban and rural dropout rates‚ over 10 percent of rural students still do not finish high school and have difficulty finding gainful employment (e.g.‚ Paasch & Swaim‚ 1995). Graduation is an extremely important milestone in the life of an individual as they prepare for adult life (Paasch & Swaim‚ 1995). For instance‚ high school graduates have a greater chance
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Bridgeton Assignment 1. The overhead allocation rate used in the 1987 model year strategy study at the Automotive Component & Fabrication Plant (ACF) was 435% of direct labor dollar cost. Calculate the overhead allocation rate using the 1987 model year budget. Why do you get different numbers? 2. Calculate the overhead allocation rate for each of the model years 1988 through 1990. Are the changes since 1987 in overhead allocation rates significant? Why have these changes occurred? 3
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Indicators – Vital Rates Vital Rate Definition/Explanation Calculated by… Example Birth Rate Dividing the total number of births in a year by the population and multiplying by 1000. Total number of births in the US (2008) = 4‚247‚694 Total population US = 307‚006‚550 Birth Rate = ___________ (per 1000) Death Rate Dividing the total number of deaths in a year by the population and multiplying by 1000. Death rate UK (2008) = _______________ per 1000 people Death rate in Botswana (2008)
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The US has recently reached the lowest unemployment rate： 4.5%. In this article‚ the author provided different aspects of US’s low unemployment rate and the result of such a low unemployment rate. Comparing to the unemployment rate (10%) after 2008’s recession‚ US is now reaching a relatively low unemployment rate. A low unemployment rate is one of the four macroeconomic objectives that economists always want their nations to achieve. Unemployment is simply defined as the state of being out of
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relationship between the nominal income per capita and the crime rate? Does the unemployment rate have any impact on the number of crimes? As one can notice‚ there are numerous economic and behavioural theories underlying the subject chosen. In fact‚ assuming the number of police agents is correlated to the number of property crimes‚ it is logical to think that a higher number of police agents will enhance security and help reducing the crime rates. However‚ a relatively large number of police agents can
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LCT and UCT causes the endotherm’s metabolic rate to increase. We can hypothesize that when the temperature falls below the LCT or above the UCT‚ the percent O2 consumption will increase‚ and thus‚ the metabolic rate. The hypothesis was supported by the result received in this lab. The thermal neutral zone (TNZ) of an endotherm is its temperature tolerance range. For the mouse‚ this is about room temperature. It is seen that in the TNZ‚ the metabolic rate decreases from about 1.75 to 1 (Fig 1). During
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