Blood vessels deliver blood from the heart to the tissues, and return oxygen-depleted blood to the heart. The vascular system is made up of three vessel types. Arteries carry blood away from the heart, veins return blood to the heart, and the tiny...
Blood vessels are a part of the circulatory system, which also contains the heart. They make up a closed system, which delivers blood from the heart to the body, returns blood to the heart, and helps exchange nutrients, wastes and other substances...
Blood circulation goes in a circle, which makes sense, given its name. Arteries carry blood away from the heart, and veins return blood to the heart. With one exception, blood carried away from the heart is oxygenated blood, and blood returning in...
The cardiovascular system consists of the heart and blood vessels. The job of the cardiovascular system is to deliver blood to the tissues, muscles and bones of the body.
Arteries pump blood away from the heart, and the veins are responsible for returning blood back to the heart. When this blood goes to the heart, there are valves at the top of the veins that open to let it in and then close quickly to stop it from...
The circulatory system is an extensive body system that is composed of three main parts--the heart, blood and blood vessels--which function together to transport nutrients, oxygen and water to cells and remove waste products such as carbon dioxide...
The main purpose of the cardiovascular system is to transport blood rich in oxygen and nutrients to cells in the body and transport waste products in the blood to the appropriate system for elimination. The cardiovascular system plays many...
There are five basic types of vessels in the cardiovascular system. These vessels are responsible for either carrying oxygenated blood away from the heart to all body organs, or transporting deoxygenated blood to the heart from the organs. Without...
Blood vessels can be grouped into three categories: arteries, veins and capillaries. Arteries are the blood vessels that transfer blood away from the heart to the organs. They are the thickest of the blood vessels because they carry the blood...
Blood vessels are hollow tubes that allow blood to flow throughout the body. If all the blood vessels of an adult, including the veins, arteries and capillaries, were laid end to end, they would stretch for 100,000 miles, according to information...
Many different systems make up the human body. Each system needs the other systems to function properly. For example, for the heart to circulate oxygenated blood, the respiratory system must bring in fresh air. The nervous system controls the...
Arteries are major vessels that carry oxygenated blood from the heart to all areas of the body. Veins are vessels that carry deoxygenated blood from the outlying areas of the body back to the heart. Veins have valves on them that allow blood to...
The ankles are a very mobile joint in the body. They can allow feet several degrees of motion in several directions. When they are in perfect working order, you have the ability to get around smoothly without any pain and discomfort. But when the...
Your circulatory system consists of your heart, blood vessels and blood, and is responsible for transporting life-giving oxygen around your body. When you exercise, your body's need for oxygen increases; the harder you work out, the more oxygen...
The lungs are part of the respiratory system which facilitates your breathing. The primary function of the lungs is to allow the exchange of two gases: oxygen and carbon dioxide. In the lungs, oxygen is transferred to your blood and carbon dioxide...
The human cardiovascular system is made up of the heart, which is a muscular pump, the blood and the vessels that transport the blood to various body locations. There are several different types of vessels, such as arteries, that carry blood away...
Blood circulation is vital for your body's survival. Blood transports oxygen, fuel and nutrients to all organs of the body, including the brain. It also moves toxins and waste products to the appropriate organs for excretion. When blood flow to...
Cardiovascular disease, or CVD, is used to describe a group of conditions involving your heart, veins and arteries, which collectively form your cardiovascular system. Although CVD can be treated through medication and nutritional interventions,...
Arteries are vessels that deliver oxygenated blood to all the parts of the body. Veins are vessels that return de-oxygenated blood to the heart. The veins have valves in them that allow blood to flow one way. When these valves become faulty, they...
Social convention has determined that mention of hemorrhoids is suitable only for sitcom laugh-lines, discrete commercials and discussions with you physician. Hemorrhoids are a fairly common medical disorder, however, and there should be no shame...
The medical term "cardio" pertains to the heart, and "vascular" refers to the blood vessels of the body. Together they make up the cardiovascular system and deliver the oxygen that keeps organs functioning properly. According to the National Heart...
Rowing machines are popular indoor exercise machines that are sometimes referred to as ergometers or ergs for short. Rowing is a full body workout that utilizes all of your major muscle groups. As a low-impact exercise, rowing is suitable for...
According to the Nutritional Supplements Health Guide, lecithin is present in all cell membranes, where it helps to prevent fats and bad cholesterol from building up in the body. Lecithin contains a substance known as phosphatidyl choline, or PC,...
You body is made of thirteen body systems that work together to keep you alive and functioning. If any one of these systems is not working properly, it will cause a chain reaction that affects other body systems, which may cause them to fail....
Ankle and lower leg swelling has many different causes. MayoClinic.com cites 27 different possible causes. A patient might have ankle swelling from a minor problem, such as prolonged standing, or from a serious medical condition such as heart...
Fluid accumulation in the tissues of legs and ankles is known as peripheral edema. A sudden injury or an underlying medical condition can result in the gradual swelling of the lower extremities. Anti-inflammatory medications, rest, ice, elevation...
Congestive heart failure refers to a potentially fatal medical condition in which the heart no longer properly pumps blood to the body. The Mayo Clinic says that signs of congestive heart failure include shortness of breath, weakness, swelling of...
A venous leg ulcer describes an open sore that fails to heal, usually located on the lower portion of the leg. Venous leg ulcers usually appear red and may produce a green or yellow discharge especially when they become infected. The skin...
Your circulatory system includes your heart, veins, arteries and capillaries. It transports your blood, which provides nutrients and oxygen to all cells within your body. When this system fails, death follows. With planning and lifestyle changes,...