Can you read my respond to see if I have accurately answered the question. If I didn’t feel free to write up your own. The assignment is to briefly describe the physiological process of how the cardiovascular and respiratory system work together. The cardiovascular system (specifically the circulatory system) works with the respiratory system to get oxygen to the tissues, cells, and organs. Once you inhaled oxygen and it made it to the lungs, the blood capillaries, and to the alveoli for the gas exchange. Finally the CO2 is then able to be exhaled and the blood is oxygen filled. The process of circulation and the two systems working together begins with the heart. In the heart, the right ventricle and atrium are where blood is received from the veins. Deoxygenated blood flows into the right atrium. When the heart muscle relaxes, the blood is emptied from the atrium and into the right ventricle. The right ventricle then pushes the blood through the pulmonary valve and into the pulmonary artery, where the blood is delivered to the lungs to be replenished with oxygen. The blood is then returned to the left side of the heart. Since the right side, the left atrium
receives the blood sending it to the ventricle when the heart muscle relaxes. Finally, the blood is pushed to the aorta and delivered to the rest of your body.

    however, coronary heart disease , or chd, is actually a result of coronary artery disease, or cad, said edward a. fisher, m.d., ph.d., m.p.h., an american heart association volunteer who is the leon h. charney professor of cardiovascular medicine and also of the marc and ruti bell vascular biology and disease program at the nyu school of medicine.

  with coronary artery disease, plaque first grows within the walls of the coronary arteries until the blood flow to the heart’s muscle is limited. view an illustration of coronary arteries. this is also called ischemia. it may be chronic, narrowing of the coronary artery over time and limiting of the blood supply to part of the muscle. or it can be acute, resulting from a sudden rupture of a plaque and formation of a thrombus or blood clot.

    the traditional risk factors for coronary artery disease are high ldl cholesterol, low hdl cholesterol, high blood pressure, family history, diabetes, smoking, being post-menopausal for women and being older than 45 for men, according to fisher. obesity may also be a risk factor.

    “coronary artery disease begins in childhood, so that by the teenage years, there is evidence that plaques that will stay with us for life are formed in most people,” said fisher, who is former editor of the american heart association journal, atvb. “preventive measures instituted early are thought to have greater lifetime benefits. healthy lifestyles will delay the progression of cad, and there is hope that cad can be regressed before it causes chd.”

  living a healthy lifestyle that incorporates good nutrition, weight management and getting plenty of physical activity can play a big role in avoiding cad.

    “coronary artery disease is preventable,” agreed johnny lee, m.d., president of new york heart associates, and an american heart association volunteer. “typical warning signs are chest pain, shortness of breath, palpitations and even fatigue.” if you feel any of these symptoms, don’t delay — call 9-1-1.

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