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Cardiovascular system

            
             Cardiovascular & Respiratory Systems.
             The Cardiovascular system is actually two different systems, the cardio system which refers to the heart and the vascular system which refers to the blood. So when talking about the cardiovascular system we are talking about the heart pumping blood around the body.
             The Respiratory System is the system in which delivers oxygen from the air to our blood system and then return as waste products back outside into the air.
             In order for our bodies to carry out any form of exercise, the cells in our body need oxygen. The cardio and the respiratory systems supply this oxygen to out body. To understand how the Cardio-respiratory system works you need to understand how, first of all, the heart works.
             Diagram of the heart.
             As you can see the heart is split into four different chambers, the right atria, right ventricle, the left atria, and the left ventricle. Deoxygenated blood enters the right atria through the Vena Cava; it passes through the Traipsed valve into the right ventricle. At this point the muscles in the right ventricle contract pushing the blood up through the pulmonary valve. .
             From here it travels up the pulmonary artery to the lungs where it collects oxygen* and returns to the left atrium of the heart via the pulmonary vein. The blood now passes through the bicuspid valve into the left ventricle, here the thicker the muscle of the right ventricle wall contracts pushing the blood through the aortic valve into the aorta. This then carries the oxygenated blood off to all the other areas of the body. Then the carbon dioxide and the other waste products are collected and returned to the heart via the Vena Cava, an so the process starts again. This process is called the cardiac cycle. During exercise you cardiac output will increase as the working muscles require more oxygen so the cardiac cycle becomes faster delivering the oxygen to the muscle quicker, insuring a greater venous return.


Essays Related to Cardiovascular system

1. The Cardiovascular System

Introduction The cardiovascular system has a very simple job and all it is transportation. The cardiovascular system delivers waste to be removed and delivers nutrients to be used by body organs and tissues. ... The digestive system organs do not get as much attention from the cardiovascular system because the blood is needed more at muscles. ... The only way to test a healthy cardiovascular system is through exercise. Exercise puts the cardiovascular system an increase in just about everything. ...

  • Word Count: 1508
  • Approx Pages: 6
  • Has Bibliography
  • Grade Level: High School

2. Cardiovascular Health

Cardiovascular Health In order to achieve good cardiovascular health you must factor in these suggestions to your everyday life, change your diet, supplement wisely, lose weight, get more exercise, and avoid tobacco smoke. ... If you consume what is called risk- increasing foods and beverages in your diet your risk for cardiovascular disease increases dramatically. ... The best vegetables for promoting cardiovascular health are broccoli, cabbage, carrots, spinach, onions, garlic, and tomatoes. ... Regular physical exercise makes the cardiovascular system stronger, reduces hypertension, ...

  • Word Count: 317
  • Approx Pages: 1
  • Grade Level: Undergraduate

3. The Lymphatic System

The lymphatic System The lymphatic system consists of a widely branched network of lymph capillaries, which originate in the tissue fissures. ... An important component of the immune defense system is the lymphatic system. ... The Cardiovascular System and the lymphatic system The Cardiovascular system is master and ruler over the Lymphatic System. Lymphatic vessels arrive from veins of the cardiovascular system, while blood delivers oxygen and nutrients to all organs including lymphoid ones. ... Immune cells protect Cardiovascular organs from pathogens while blood circulates the immun...

  • Word Count: 1523
  • Approx Pages: 6
  • Grade Level: High School

4. The Cardiovascular System

The cardiovascular system consists of a pump and a complex series of tubes. ... One of the many complications to this system is the effects of hydrostatic pressures on the human circulation and particularly the changes associated with posture. ...

  • Word Count: 818
  • Approx Pages: 3
  • Grade Level: Undergraduate

5. Cardiovascular Disease

Cardiovascular Disease Cardiovascular disease is also known as heart disease. ... Cardiovascular disease is a malady that can be very detrimental if the patient is not properly cared for. From here on out, cardiovascular disease will be referred to as CVD. Definition of CVD The cardiovascular system includes the heart and blood vessels. The heart is a muscle that drives blood throughout the circulatory system. ...

  • Word Count: 1172
  • Approx Pages: 5
  • Has Bibliography

6. Cardiovascular Fitness

Cardiovascular is a great way to use the body's large muscles in order to increase your heart rate and burn fat and sugar. ... In order to improve cardiovascular fitness, one can run, jog, jump rope, row, bike, etc. ... To improve the cardiovascular system, 1:2 ratio would be used, meaning you would do the activity hard for a minute, then slow for two minutes for example. ... Finally, fartlek remains popular among runners and others who seek cardiovascular conditioning. ... Cardiovascular fitness can be fun and rewarding if done correctly. ...

  • Word Count: 722
  • Approx Pages: 3
  • Has Bibliography
  • Grade Level: High School

7. Fetal Pig

Both of theses are parts of the nervous system. ... Thoracic Cavity: The thoracic cavity contains the respiratory and cardiovascular systems. ... The Cardiovascular system's main organ is the heart. ... The digestive system is the system that's main functions is the nourishment to the body. ... The Pelvic Cavity: The pelvic cavity holds in it the reproductive system and the excretory system. ...

  • Word Count: 1076
  • Approx Pages: 4
  • Grade Level: High School

8. Stress And Cardiovascular Disorders

Specifically, this paper will explore the link between stress and cardiovascular disease. ... If this complex physiological response is activated continuously, it begins to wreak havoc on the multiple organ systems involved. ... What role does stress play in the formation of cardiovascular disorders? ... All of these things can lead to high blood pressure/hypertension and other cardiovascular disorders. ... (p. 4) During times of stress, the nervous system releases extra hormones (most often adrenaline). ...

  • Word Count: 1493
  • Approx Pages: 6
  • Has Bibliography
  • Grade Level: Undergraduate

9. Cardiovascular Disease-Heart Attack

Cardiovascular Disease Heart Attack A heart attack occurs because there is a blockage in the arteries that nourish the heart with oxygen-rich blood. ... Thirdly, excessive alcohol use can cause diseases related to cardiovascular. ... High blood pressure means that the heart is working harder to supply blood into the arteries and through the circulatory system. ... Cardiovascular disease is a multi-factorial disease, with the risk increasing exponentially with the number of risk factors present. ... Living a healthy life style can reduce the risk of developing cardiovascular diseases. ...

  • Word Count: 1823
  • Approx Pages: 7
  • Grade Level: High School

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