The Cardiovascular System

One of the most important systems in the body, keeping it alive, is the cardiovascular system. As a part of the circulatory system, the cardiovascular system pumps blood throughout the body through a network of many arteries and veins, providing it with nutrients and oxygen. Also, the cardiovascular fights infections and disease in the body and creates blood cells. Never the less, blood acts as a filtration system for the body and removes waste, cell debris, or bacteria from the bloodstream.

skeleton, which provides the pulling power for us to move around. The main job of the muscular

Our cardiovascular system is composed of the heart and blood vessels. The main purpose of this system is to transport substances throughout the body. Even though transportation is the main function of the cardiovascular system, it is not the only function. Along with transportation we have protection and regulation.

Explain in detail how the following systems adapt, in the short term, to exercise. Please also make brief comment about long term adaptation in each case

Composed of the heart, blood vessels, and blood, the cardiovascular system is the body system that carries out the tasks of pumping and transporting blood, oxygen, nutrients, and waste products, and other substances throughout the body.

The purpose of arterial pressure and the pulse lab is to determine the effect of posture and exercise on systolic and diastolic pressure and the heart rate. And also in order to find the differences in the reading taken under these condition compares to the baseline reading. The Sphygmomanometer and stethoscope are used to measure the systolic and diastolic blood pressure, counting the beat on the radial artery will give the reading for pulse rate and by using the lab scribe software and IWX214, the blood pressure will be measured. In the heart, the aorta and the carotid arteries have baroreceptors and the chemoreceptors that identify the changes in arterial pressure and the changes in

1.The fluid surrounding tissue cells is called? interstitial fluid.2.What are the functions performed by the circulatory system?-The circulatory system supplies oxygen and nutrients to our body by working with the respiratory system.- It also helps carry waste and carbon dioxide out of the body3.What is the fluid type that holds many of the human body fluids? Intracellular fluid4. Name fluids that are nearly identical in content except for proteins. Plasma and interstitial fluids.5.What function of blood is most critical to life on a second to second basis? Blood Regulation6.What fluid has the highest concentration of proteins? Intracellular fluids7.What is the most prevalent positive ion in interstitial fluids? Sodium8.What is the principal

The heart, blood and blood vessels make up the basis of the cardiovascular system also known as the circulatory system. The average human body contains approximately 5 litres of blood which is carried around the body via a network of blood vessels split into three types; arteries, veins and capillaries. The arteries are the largest of the three vessels and carry blood away from the heart. Veins carry blood to the heart and are smaller than arteries, then finally the smallest vessels known as capillaries distribute the oxygen rich blood to organs whilst simultaneously picking up the waste carbon dioxide and water from the organs to transport back to the heart where it can be pumped into the lungs to be exhaled.

Research has shown that deep breathing exercises can induce an increase in heart rate (Sroufe 1971) because heart rate is also directly correlated with breathing (Egri 2012). When breathing in, heart rate will increase; and while breathing out, heart rate will decrease (Egri 2012). Blood pressure can be reduced with slower breathing (Joseph et al. 2005). An article in the Journal of Human Hypertension showed that doing breathing exercises over a period of time can lower both systolic and diastolic blood pressure (Grossman et al. 2001). The hypothesis in this experiment is that blood pressure and heart rate will be affected by a deep breathing exercise. The null hypothesis was that heart rate and blood pressure will be unchanged while performing a deep breathing exercise. This experiment is significant because it could help people in times of stress or anxiety/panic attacks to learn ways to calm their heart rate and blood pressure down so they may feel better. Being the most common mental illness in the United States and 18% of Americans living with it, research aiding recovery of panic attacks would be extremely useful to the public (Kessler et al. 2005).

THE EFFECT OF PHYSICAL ACTIVITY ON BLOOD PRESSURE Courtney Triplett Bio 211 Lab Mark Fandel March 3rd, 2015 ABSTRACT The purpose of this experiment was to measure the effect one minute of physical activity would have on a subject’s blood pressure. In this experiment, physical activity is defined as stair climbing at a moderate pace. For comparison purposes, standing blood pressure was measured before and after physical activity. One subject was used and three trials were completed and the initial blood pressures were as followed; 94/62 mmHg, 106/74 mmHg, and 102/66 mmHg.

Capillary beds in your muscles enlarge and deliver more than twelve times as much blood to occupied muscles throughout exercise. Your blood pressure escalates during exercise because larger quantities of nutrient-rich blood flowing through your circulatory system upsurge pressure inside the blood vessels. The cardiovascular system reaps a numerous benefits from regular exercise which can help you live a healthier and longer life. Any form of aerobic exercise such as: swimming and running to dancing or skateboarding, can play a significant role in strengthening the cardiovascular system.

The cardiovascular systems function is to pass blood through ones body keeping their muscles oxygenated, to keep nutrients that are needed in the body and to help get rid of metabolic waste. The cardiovascular system is made up of three components, these are; the heart, the blood and the blood vessels.

When a person stands upright, 300-800mL of blood moves downward to the abdomen and lower extremities causing blood pooling within 10s of standing. The compensatory reflexes help increase the sympathetic nervous system output and reduce the parasympathetic nervous system output. There is normally 10-15 bpm increase in the heart rate. The systolic blood pressure remains constant and the diastolic blood pressure normally increases slightly (Shelia et al).

To start off the experiment, a baseline was needed in order to be able to compare the different variables through out the experiment. The subject was instructed to sit and relax quietly while the blood pressure cuff and pulse plethysmograph were placed properly. After the blood pressure was taken and analyzed, it was found that the subject’s blood pressure was 122/64 mm Hg and a pulse rate of 60 bpm. Now that the baseline was obtained, continuing with the changing variables could take place. Starting with the variable of postural changes, the subject first reclined for three minutes. After the two minutes, the

We decided to measure the subject’s pulse and respiratory rates whilst sitting down because there would be no additional stress on their heart, which would increase their heart rate. Their heart rate should also return to its resting heart rate due to the decrease of muscle use.