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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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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Change in respiratory rate during exercise Aim: To record and investigate how the breathing rate varies for the duration of light and heavy exercise. Introduction: When an individual exercises‚ the muscles being used needs extra energy from oxygen. The lungs pump oxygen to the heart‚ and then the heart pumps the oxygenated blood through the blood to the particular muscle that is working. The human body has a series of organs working together‚ which is named the respiration system. The organs involved
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BIZ2119-07 Fall‚ 2012 1. What is the difference between accounting income and cash flow? Which do we need to use when making decisions? 2. Why is there a difference between the interest rates on AAA corporate bonds and U.S. Treasury notes? 3. Your father is about to retire. His firm has given him the option of retiring with a lump sum of $50‚000 in ten years or an annuity of $8‚000 for ten years. Which is worth more now‚ if the discount rate is (a) 6% (b) 19%? 4. Suppose you open a saving
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AP Chemistry 12/17/14 Rate Law Determination Pre-Lab Purpose: The purpose of this lab is to observe the reaction between sodium hydroxide and crystal violet so that the order of the reaction could be determined along with the rate constant‚ k‚ and the half-life for this reaction. Hypothesis: If the reaction between crystal violet and sodium hydroxide reacts appropriately‚ then the order will be first order. Procedure: Mix 10 mL of sodium hydroxide and crystal violet solution together. After calibrating
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Unemployment Rate in Japan. Figure 1.2 Labor participation rate for total‚ male and female. Figure 1.1 Shows unemployment rate is on the upward rising trend since year 1980 to year 2008. An increase in unemployment is seen from year 1980 to year 1986‚ then follow by a slight decrease in year 1987 to 1991 and continue to increase steadily from year 1992 to 2002 reaching a record of 5.4% high unemployment rate in year 2002. However‚ from year 2003 to 2008‚ a decrease in unemployment rate is observed
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single corporate hurdle rate to evaluate its investment decisions in its products and systems segment as well as its telecommunications segment. Using only one hurdle rate doesn’t take into account the risk that the company faces within each segment. Investors demand higher returns for riskier investments. Victor Yossarian is concerned about the low returns for the high risk in the products and systems segment‚ this is why he wants to abandon this segment. Using two hurdle rates adjusts for the risk
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1. The heart rate determines the intensity of the fitness activity. a. 12*6=72 b. 220-21=199 c. 129-150 range. 2. Aerobic metabolism‚ uses fats‚ proteins and carbohydrates that are oxidized and turned into carbon dioxide and water. Anaerobic metabolism‚ uses only carbohydrates and enters the fluid‚ or cytoplasm‚ of the cell and is turned into lactic acid. Aerobic exercises are running‚ biking‚ and swimming‚ whereas anaerobic exercises are sprinting‚ jumping‚ weight training. 3. My activity is considered
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Introduction: Basal Metabolic Rate has been defined as the minimum amount of energy needed by an animal to maintain the basic functions of survival (such as breathing). Several factors including age‚ gender‚ weight‚ and exercise affect the BMR. "BMR increases with increasing muscle tissue" therefore‚ exercising will enhance BMR while with increasing age‚ BMR is reduced (Scott‚ 2008). Also gender differences exist between males and females; it has been shown that males have higher BMRs
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married is declining at an unprecedented rate. In 1970‚ there were approximately 76.5 marriages for every 1000 unmarried women under the age of 15. By the year 2000‚ the marriage rate dramatically decreased to only 44.5‚ and 8 years later‚ the marriage rate hit an all- time low at 34.8 marriages for every 1000 unmarried women. (Lee). The future of marriage looks to either become completely obsolete‚ or of utmost meaning‚ due to the decline of the marriage rate over the course of the last 30 years‚ due
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