example of a heart rate is called resting heart rate. The resting heart rate of the body is the number of contractions of the heart that occur in a single minute while the body is at complete rest. The resting heart rate can differentiate upon age‚ gender‚ and health of a human. There will also be a difference in number upon the resting heart rate of athletes and a non-athletes. I calculated 68 beats per minute for my resting heart rate. Another example of heart rate is target heart rate. Mathematically
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Aim: To examine and dissect a sheep’s heart‚ to observe it’s structure as a two-part pump and it’s features. Hypothesis : That the left side of the heart will be bigger because the left side of the heart pumps blood around the whole body. Apparatus: Gloves Dissection Board Sheep’s heart Scissors Aluminium Foil Newspaper Method : The heart was laid out with the septum coming diagonally from the upper right side to the lower left side. The heart clambers were observed‚ examined and recorded
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magna’s Heart Rate Abstract: Ectothermic animals are animals whose body temperature is affected by their surroundings. This means that if the environment is cold the animal will be cold. If the environment is warm the animal will be warm. This is because the animal doesn’t have the capability of regulating its body systems to keep a constant body temperature. When an ectothermic animal is cold‚ its heart rate will lower. When the animal is warmer‚ the heart rate will raise
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Affecting Reaction Rate Lab Report Objective: To observe and record the different effects of reactants on concentration‚ surface area‚ and temperature‚ on the reaction rates for each. Materials: Refer to the Experiment 18A worksheet Procedure: Refer to the Experiment 18A worksheet Data Table: Mass of 11cm strip of Mg: 0.13g Average mass of 1 cm piece of Mg: 0.0118 Table 1: Effect of Concentration on Reaction Rate Concentration of Acid Reaction Time (s) Reaction Rate (g Mg/s) 0
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measure the heart rate and ventilation rate before‚ during and after moderate exercise. Introduction: I predict that during exercise the heart and respiratory rate (RR) will increase depending on the intensity of exercise and the resting rates will be restored soon after exercise has stopped. I believe that the changes are caused by the increased need for oxygen and energy in muscles as they have to contract faster during exercise. When the exercise is finished the heart and ventilation rates will gradually
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6-8cChapter Exercises Questions 1. What is object-oriented analysis‚ and what are some advantages of this method? In object-oriented analysis each object represents real people‚ places‚ events‚ and transactions (nouns). Unlike structured analysis‚ which treats data and processes separately‚ objects include data and processes that can affect the data. A major advantage of O-O designs is that systems analysts can save time and avoid errors by using modular objects‚ and programmers can translate the
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7 Print Form REVIEW NAME_________________________________ SHEET EXERCISE 5.29.2012 LAB TIME/DATE _______________________ The Integumentary System Basic Structure of the Skin 1. Complete the following statements by writing the appropriate word or phrase on the correspondingly numbered blank: Epidermis The two basic tissues of which the skin is composed are dense irregular 1. _____________________________ connective tissue‚ which makes up the dermis‚ and 1 ‚ which forms
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most important parts that exercising helps is the cardiovascular system. For example‚ when you exercise‚ muscles move‚ and to move‚ muscles need oxygen in the blood‚ so the heart has to pump blood in a faster rhythm to keep the muscles moving. This trains your heart and lungs giving you more strength for the future. Which your heart and lungs are mainly what keeps you living. Another part of a person’s life is strong mental health‚ and one of the aspects that make people exercise. Exercise distracts
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My results and the graph indicate that as you add the caffeine to the daphnia‚ the eart rate of the daphnia increases for example the daphnia’s heartbeat is 120 without caffeine‚ however when caffeine is added it is increased to 168. My graph shows a positive correlation and the error bars are also very small which shows that the results have a small range which suggests that my results are accurate and reliable. I think that the experiment was conducted well however there may be some ethical issues
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Effects of Particle Size‚ Temperature‚ Concentration‚ and a Catalyst on Reaction Rate Introduction: Chemical reactions can be affected by a number of different factors. Particle size‚ temperature‚ concentration of a solution‚ and catalysts play a big role in the rate of reaction‚ they determine how fast a reaction will occur. According to the collision theory‚ the rate of reaction depends on the frequency of effective collisions between particles. Every reaction is different in that they all
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