Heart and blood circulation heart is a muscle pump of four faces of fist size. It draws about 2,000 gallons of blood over 100,000 times a day through an approximately 100,000-mile organic tube. The heart is a huge muscle and the four valves are connected to each other to form a two stage pump. The heart acquires energy by oxidizing blood sugar. This released energy causes many of the muscle cells of the heart to contract, and the four chambers push the blood into the artery.
The effects of exercise on the heart and blood circulation are as follows. • Spread through muscles in which small blood vessels work • Spread into muscles where large blood vessels (small arteries) work. • Larger blood vessels do not function. Muscles can be moved using more blood that contracts in muscles Increase systolic heart rate and contractility (increase in blood volume of the heart, pump back of muscles) · Increase in blood pressure, increase in gas movement between tissues
Essay.com constitutes the cardiovascular system and describes the components. The effect of cardiovascular mechanism and exercise on the cardiovascular system
It constitutes the cardiovascular system and explains the components. The effect of cardiovascular mechanism and exercise on the cardiovascular system
Coronary circulation is the blood circulation in myocardial blood vessels (myocardium). The blood vessels that deliver oxygen-rich blood to the heart muscle are called coronary arteries. A blood vessel that removes deoxygenated blood from the myocardium is called a cardiac vein. These include major cardiac veins, mid-cardiac veins, careful veins and anterior cardiac veins. Since the left coronary artery and the right coronary artery are running on the surface of the heart, they may be called epicardial coronary arteries. These arteries are automatically adjusted during health to maintain coronary blood flow at a level appropriate for the myocardium. These relatively narrow vessels are often affected by atherosclerosis and can be occluded and cause angina or heart attack. Coronary arteries running deeply in myocardium are called subendocardial myocardium.
Coronary circulation is the blood circulation in the blood vessel (myocardium) that supplies the myocardium. The coronary arteries supply oxygenated blood to the heart muscle, and the veins of the heart are discharged from the blood after deoxidation. Other parts of the body, especially the brain, require a steady supply of oxygenated blood, so there is no interference, except for a few interruptions, the heart is always functioning and sometimes it works severely. Therefore, the cycle is not only important to its own organization, it is important for the whole body and even the level of consciousness of the brain. Blockade of the coronary artery circulation causes a heart attack (myocardial infarction) rapidly, in which myocardium is damaged by oxygen starvation. This interruption is usually caused by ischemic heart disease (coronary artery disease) and is occasionally caused by embolism caused by other causes.