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intake of two vitamins, folate and vitamin B-6, is predictive of reduced risk of coronary heart disease. Many people with coronary artery disease do not experience symptoms. Blood pressure is the ratio between the Systolic (When heart pumps the blood) and diastolic (when the heart is resting) pressures of the blood (Encarta 2000). Plasma: Plasma is yellowish and consists of water, salts, proteins, vitamins, minerals, hormones, dissolved gases, and fats. It happens when the hearts oxygen demands cannot be met because of the blocked coronary artery. The oxygenated blood then returns to the heart and the Systemic circulation starts again.
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Blood consists of three types of cells: oxygen carrying red-blood cells, disease-fighting white blood cells, and blood-clotting platelets. (This is the second loop the blood makes making us have a double loop circulatory system). Capillaries are the tiny links between the arteries and the veins where oxygen and nutrients diffuse to body tissues. Superior Vena Cava carries all the deoxygenated blood form the upper body and the Inferior Vena Cava carries all the deoxygenated blood from the lower body. The pumping action of the heart occurs in two stages for each heartbeat: Diastole, when the heart is at rest or receiving blood from the blood vessels. Platelets: or Thrombocytes are the smallest cells in the blood, which are designed for a single purpose to begin the process of coagulation, or forming a clot, whenever a blood vessel is broken. The heart, blood, and blood vessels are the three structural elements that make up the circulatory system. The Circulatory System, the circulatory system, also known as the cardiovascular system, is the combined function of the heart, blood, and blood vessels to carry oxygen as well as nutrients to organs and tissues all throughout the body and carry away waste products.