Describe The Function Of The Cardiovascular System

Describe The Function Of The Cardiovascular System – The circulatory system consists of the heart and lungs, along with the arteries and veins that make up our circulatory system. These parts work together, to ensure that our blood flows properly throughout our body, i.e. systemic circulation, our lungs ie pulmonary circulation and our heart ie coronary circulation.

The combination of blood and circulation makes up our cardiovascular and pulmonary circulatory system. The human heart acts as a pump to push nutrient-rich blood to our organs, cells and tissues in the body. Our blood carries essential nutrients and oxygen to every cell in the body while removing waste or carbon dioxide produced by the cells. Our circulatory system is a one-way system and the process of blood flow within the body is called circulation. The circulatory system carries blood from our heart to the rest of our body through a very complex network of arteries, capillaries and arterioles. The blood then returns to our heart through veins and venules. In pulmonary circulation the roles are reversed. The pulmonary artery brings oxygen-deficient blood to our lungs while the pulmonary veins bring oxygen-rich blood back to our heart.

Describe The Function Of The Cardiovascular System

It is estimated that if our blood vessels were unconnected and laid end to end, they would stretch a distance of nearly 58,000 miles or nearly 93,342 kilometers, which is enough distance to to circle our planet twice! A human heart weighs about 7 to 14 ounces in total or about 198 to about 397 grams. A heart is slightly larger than the size of a human fist. It is estimated that at the end of human life, the heartbeat counts more than 3 billion times (expansion and contraction). On average, a heart beats nearly 100,000 times pumping nearly 2,000 gallons of blood each day.

What Are The Three Types Of Blood Vessels And Their Functions?

The human heart has a total of 4 chambers. The upper chambers are called the right and left atria and the lower heart chambers are called the right and left ventricle. A thin wall of muscle called a “septum” separates our right and left atria along with the right and left ventricles. The left ventricle of the heart is considered to be the strongest and largest chamber in our heart and even though they are only 1/2 inch thick, they have the power to push blood through our aortic valve and back into our body

Cardiovascular and cardiopulmonary diseases refer to any condition involving blocked or narrowed blood vessels that lead to cardiovascular events such as MI. Stem cell treatments for heart disease and congestive heart failure try to repair the heart muscle, valves or heart rhythm and not just treat the symptoms. Among the risk factors for cardiovascular disease for poor functioning of the blood circulatory system and heart disease are: patient’s lifestyle, age and family history. It is estimated that almost half of the patients who are diagnosed with heart disease have one of the three main factors, including high cholesterol, high blood pressure and smoking.

Note that hereditary risk factors cannot be controlled but patients can take steps to reduce the risk of a heart attack by changing other controllable factors. To maintain normal/good cardiovascular function the Regeneration Center recommends eating a healthy diet along with regular and proper exercise.

A balanced heart healthy diet includes organic/whole foods that are rich in minerals, vitamins and nutrients such as l-arginine. Some other rheumatoid arthritis diet & heart healthy snacks include:

Anatomy And Physiology, Fluids And Transport, The Cardiovascular System: The Heart

Patients with a family history of heart disease should look to severely limit grains and sugar found in processed foods. Changing your diet may not be easy at first but it takes less than a month of repetition to get into a good habit. High risk patients should look to high quality omega 3 fats (eat krill oil), drink plenty of fresh water and maintain vitamin D levels between 70-100 ng/ml through 10-15 minutes of exposure to the sun

Another way to increase heart health is through physical exercise. Regular exercise has been proven to naturally increase stem cells through improving blood circulation and maintaining a healthy weight. Please be aware of your overall and cardiovascular health as prevention is always a better option than treatment after an injury. and repairs. Your circulatory system also removes carbon dioxide and other waste products that your cells don’t need.

These main parts of your circulatory system keep blood flowing to all the cells in your body, so you can live:

Blood that is low in oxygen collects in the right atrium of your heart, one of the heart’s 4 chambers. It moves into the right ventricle, which pumps this blood to your lungs where your red blood cells pick up oxygen and get rid of carbon dioxide. You then exhale the carbon dioxide.

Four Chambered Heart Structure And Function

The oxygen-rich blood returns to the left atrium of your heart, and then into your left ventricle. The left ventricle pumps oxygen-rich blood through your aorta, into your arteries, and then to all parts of your body. Along the way, the blood collects food nutrients from your small intestine.

As it enters the capillaries, your blood comes into contact with tissues and cells. It delivers oxygen and nutrients and removes carbon dioxide and waste. Now low in oxygen, the blood travels through the veins to return to the right atrium of your heart, where circulation begins again.

Most CVD occurs when fatty substances, called plaque or atheroma, accumulate in the lining of blood vessels. This causes the blood vessels to narrow over time. Less blood is then able to pass through. This process is called atherosclerosis.

Atherosclerosis can cause coronary heart disease and ischemic heart disease. Reduced blood supply means less oxygen and nutrients available to the heart muscle. This can cause angina or a heart attack, which requires urgent medical attention. Chest pain is the most common symptom of a heart attack or angina.

Anatomy Of The Circulatory And Lymphatic Systems

When the blood supply to part of the brain is cut off due to a blocked or burst artery, this leads to a stroke. A stroke is also an emergency and requires emergency medical treatment.

When your heart pumps blood into your arteries, the blood pushes against the artery walls. This is what gives you your blood pressure reading. Blood pressure is measured in units called ‘millimeters of mercury’ (written as mmHg). Most doctors consider a healthy blood pressure to be above 90/60mmHg and below 140/90mmHg.

High blood pressure, also known as hypertension, can increase your risk of cardiovascular disease. This is the most common health problem of the circulatory system.

Low blood pressure, also known as hypotension, is a sign of good health for some people but can be a problem for others. Symptoms of low blood pressure include lightheadedness or fainting.

Blood Flow Through The Heart And Lungs

The best way to find out how healthy your circulatory system is, is to see your doctor for a heart health check. Heart health checks should take about 20 minutes and if you are eligible, they are covered by Medicare.

The earlier cardiovascular disease is detected, the earlier it can be treated and managed. If you have high blood pressure, it is especially important to have regular heart health checkups with your doctor.

Low blood pressure is only a problem if it has a negative effect on how your body works, or how you feel. See your doctor if you have symptoms, for example, if you feel:

There are some risk factors that cannot be changed when it comes to cardiovascular health such as advancing age, family history or ethnic background. However, you can improve your heart health and reduce the risk of cardiovascular disease.

The Cardiovascular System (heart And Blood)

Talk to your doctor about any concerns you have about your heart health. There are lots of resources and support online, visit any of the links below for more information:

Circulatory system Blood is pumped around your body through a network of blood vessels. Your heart and these blood vessels make up the circulatory system. Read more on the WA Health website Circulatory System – A Channel for Better Health The heart, blood and blood vessels work together to service the body’s cells. Read more on the Better Health Channel website How Your Heart Works | Heart Foundation Your heart is a muscle that pumps blood to all parts of your body. The blood gives your body the oxygen and nutrients it needs to function properly. Read more on the Heart Foundation RACGP website – Coronary artery calcium score in asymptomatic people Reproduced with permission from the Royal Australian College of General Practitioners Jean Hailes Learn more about cardiovascular health and how to reduce your risk of heart disease decrease Know the causes and symptoms of heart attacks and strokes. Read more on the Jean Hailes website for Women’s Health LiveLighter – Causes and Facts of Cardiovascular Disease Cardiovascular disease can be linked to your weight. We want people to live healthier lives and reduce the risk of cardiovascular disease. Find out here.

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