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Circulatory System

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Exercise and the cardiovascular system

The cardiovascular system is also known as the circulatory system this system is made up of the heard and the connected tubes (vessels) called arteries, veins, and capillaries. This system contains the blood that is pumped by the heart around the whole body (over and over again).
The circulatory system may not be the only system that controls homeostasis (homeostasis is maintaining a stable state of the entire body) but it plays a vital role. The important position that the circulatory system has in controlling homeostasis depends on the steady and regulated stream of blood through the arteries; veins and capillaries that go throughout our body and enter every tissue and can reach every cell in the body. …show more content…

This is basically the raw glucose the body then releases around five percent of the energy released by aerobic respiration, per molecule of glucose. The waste product is lactic acid unlike in normal reaction where the product is water. Then the Muscles become tired during the long exercise regimen This means that the muscles stop contracting smoothly and effeciently. One of the causes of this is the build-up of lactic acid in the muscles from the anaerobic respiration. The lactic acid is removed from the muscles by blood flowing through them. Fit people are able to carry out physical activities more effectively than unfit people. Their pulse rate is likely to return to normal more quickly after exercise. But being fit is not the same as being healthy. Healthy people are free from disease and infection - they may or may not be fit as well. It is possible to be fit but unhealthy, or healthy but unfit.Much less energy is released during anaerobic respiration than during aerobic respiration. This is because the breakdown of glucose is …show more content…

First of all the heart rate, blood pressure and temperature were measured (all before exercise). Then the subjects then walked up and down the stairs five times each. The heart rate, blood pressure and temperature of the subjects were then recorded straight after the exercise after each two minutes until the resting rate for all three was reached. This exercise was repeated but prolonged to walking up and down the stairs then times. The third exercise was when the subjects ran around one time. When the exercise was finished, the heart rate, blood pressure and temperature were measured every two minutes until it reaches the resting rate. This exercise was prolonged when the subjects were told to run the field two times instead of one and the heart rate, blood pressure and temperature were measured again and measured every two minutes until it reaches its resting

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Anna Garcia’s cardiologist had Anna complete cardiac testing. Anna underwent a treadmill stress test. Drastic increases in blood pressure occurred for the patients during the test. Also, a few premature ventricular contractions, which are heartbeats that start in one of the heart’s two lower chambers, were noted during the test. Ventricular tachycardia, a condition in which the lower chambers of the heart beat quickly, also occurred during the treadmill stress test, for Anna

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The functions of the human cardiopulmonary system can be broken down into two, circulatory system and the respiratory system. The main goal of these two systems is to maintain homeostasis in our body. Homeostasis can be described as a type of condition where the internal continuity of an individual has to keep steadiness, regardless of any external changes from the outside environment. External changes from the outside environment may include factors such as excitement, stress, exercise, diet, and much more. Exercise can be carried out because the human body can endure a high level of exercise during a prolonged period of time.

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The Effect of Degree of Exertion on Percent Change in Heart Rate Introduction: The main goal of the circulatory system is to circulate the blood around the body to supply oxygen and nutrients and to remove waste products. The heart, a hollow muscle that pumps blood through the blood vessels does this through repeated contractions. Each time the heart beats, deoxygenated blood is pumped through the pulmonary artery to the lungs where oxygen and CO2 are exchanged in the alveoli. As one inhales, oxygen moves from the alveoli to the surrounding capillaries into the bloodstream and CO2 moves from the bloodstream to the surrounding capillaries to the alveoli.

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Thus, the sympathetic nervous system increases heart rate, and the forced contractions widen the airways making it easier to breathe. Your body now releases stored energy, which allows for increased strength in muscles, and can also cause your palms to sweat, pupils to dilate, and hair to stand up. The parasympathetic division is most active during resting conditions, hence, why it can also be called, “rest and digest”. This division controls body processes during ordinary situations. It generally slows down your heart rate and decreases your blood

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Furthermore, HR remained the same as the resting HR when the subject was submerged his face in warm water. BF increased (in amplitude) in the first two tests (BFbefore= 61mV, BFduring= 112mV; BFbefore=82mV, BFduring(cold)=93). When the subject submerged his arm under water, HR decreased and BF increased (BPMbefore= 66, BPMduring = 64; BFbefore = 145mV, BFduring= 200mV). These results show the dive reflex put into action. There are three requirements that need to be fulfilled in order for the dive reflex to occur: the water must be cold, the organism needs to be fully submerged (in this case, the face needs to be fully submerged), and the organism must be holding their breath.

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One time they drank the energy drink the other time they had the placebo. The subjects were twenty male student-athletes from Utah State University football team who were twenty years old. They were six feet one inch tall and weighed between two hundred and twenty-one pounds and two hundred and seventy pounds. The athletes learned how to do the Running-based Anaerobic Sprint Test (RAST) a week before the study. They were told to avoid alcohol and other stimulants; also, to keep a normal routine before the experiment, and sleep between six to eight hours the night before the test.

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Hypothesis If a dancer performs a fast paced routine with extensive choreography then their heart rate will increase due to the physical energy required to perform the specific style of dance. Experiment: Procedures 1. First, the dancer has to find a person to record the dances and she needs a place to dance 2.

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Theses changes range from changes in heart rate and blood pressure to chemical activity

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If you simply do running, biking and swimming these exercises will make the heart start in taking a lot or even more air which ends up getting the heart better at what it does every single day by increasing air flow and oxygen to the lungs, this makes the blood pump easier and faster to the body parts.

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It builds up the body’s cardiovascular system, and prevent the risk of health issues such as heart disease, diabetes, and strokes, to name a few. To be cardiovascularly fit means that your heart, lungs, and bloods cells must be able to supply oxygen to a working muscle or tissue, and the ability of the muscle to

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Cardiovascular fitness is the ability of the heart, blood vessels, and respiratory system to supply oxygen and nutrients to the muscles during exercise. People with a high cardiovascular fitness level most likely perform a lot of aerobic exercises. Aerobic exercises are activities that involve consistently exercising for a period longer than 20 minutes, or when the body begins relying on cellular aerobic respiration to create energy. When this happens, the respiratory system and your heart begin to work harder in order to supply the body with energy to continue doing the action. The more the respiratory system and heart work, the more fit they become.

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CIRCULATORY SYSTEM 1. INTRODUCTION The circulatory system is also known as the cardiovascular system. This system is a double circulatory closed system which transports blood via arteries, veins and capillaries to the lungs through the pulmonary circulation and to the rest of the body tissues in the systemic circulation. Since the blood travels to varying distances around the body, the blood vessels have to be adapted to overcome different pressures.

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cardiovascular endurance is how efficiently your heart blood vessels and lungs to supply oxygen. Rich blood to working muscles during physical activity such as running and walking. some of the benefits of cardiovascular endurance 1. maintaining a healthy weight 2. increasing the body efficiency 3.

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Blood pressure is the main component of the body that regulated the cardiovascular system. This regulation allows for a response from the body to maintain homeostasis when there are physiological changes. During this experiment, different activities were executed in order to assess the blood pressure differences between males and females in the class. Blood pressure was evaluated by measuring the systolic and diastolic pressures with a sphygmomanometer (blood pressure cuff) and a stethoscope.

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All testing was conducted indoors. 20metres was measured and at 0 metres and 20metres a timing gate was located. The subjects stood at the start and on their own accord accelerated into a sprint. Sprint times were recorded of the hand held power timer device. Once the subject completed the sprint he was timed to allow 30 seconds of recovery either 1.

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