Web Results



The heart is a muscular organ in humans and other animals, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients, and also assists ...

How the Heart Works - National Heart, Lung, and Blood Institute


Sep 20, 2012 ... The left side of the heart receives the oxygen-rich blood from the lungs ... that pump blood out of the heart to the lungs or other parts of the body. ... They open to allow blood to flow through to the next chamber or to one of ... Systole is when the ventricles contract, or squeeze, and pump blood out of the heart.

Jarvik Heart | Heart Disease - The Cardiovascular System


It is the body's infrastructure for circulating oxygen- and nutrient-rich blood to the tissues ... Electrical signals firing from the "pacemaker" part of the right atrium prompt these ... The left ventricle draws this blood through the mitral valve and forces it out ... When it contracts, it forces that blood out into the ...

The Path of Blood through the Human Body - For Dummies


When a heart contracts and forces blood into the blood vessels, there is a certain path that the blood follows through the body. ... The pulmonary artery carries the blood that is very low in oxygen to the lungs, where it becomes oxygenated.

About Your Heart > How Does Blood Flow Through the Heart ...


Each heartbeat has two basic parts: diastole (di-AS-toe-lee), or relaxation, and ... Next, your heart's ventricles contract (ventricular systole) and pump blood out of ... Oxygen-rich blood returns from the lungs to your heart's left atrium through the ... Blood leaves the heart through the aortic valve, into the aorta and to th...

How the Heart Works | HonorHealth


It pumps blood to all parts of the body through a network of blood vessels by ... The left side of the heart receives oxygen-rich blood from the lungs, then pumps ... the right and left atria, causing them to contract, forcing blood into the ventricles .


leavingbio.net/circulatory system/circulatory system.htm

The Blood Flow Through The Heart The Double Circulation System Blood For ... Blood is pushed through the veins when body muscles contract and squeeze the veins. .... The left ventricle pumps the oxygen-rich blood to all parts of the body.

Anatomy of the Heart - Queensland Cardiovascular Group


Four types of valve regulate blood flow through your heart. ... for oxygen rich blood to pass from the left ventricle into the aorta, your body's ... The right atrium contracts and pushes the blood cells through the tricuspid valve into the right ventricle. ... different arteries that pump the oxygenated blood to various parts of t...

Heart Pictures and Facts - How The Healthy Heart Works

www.bannerhealth.com/Services/Heart Care/Education and Support/Healthy Heart.htm

Blood vessels that carry oxygen-rich blood to every part of the body are arteries. Blood ... the body. Each time the heart contracts, it forces blood through arteries.

Great Vessels of the Heart - Boundless


The great artery which carries the blood from the heart to all parts of the body except ... Great vessels are the major vessels that carry blood into the heart and away from the ... Oxygen-rich blood is shown in red; oxygen-depleted blood in blue. ... When the left ventricle contracts to force blood through the aortic valve into the ...

More Info

Heartbeat - Health Video: MedlinePlus Medical Encyclopedia


The four chambers of the heart are the right atrium, the right ventricle, the left atrium, ... the aorta, the body's largest artery, which transports oxygen-rich blood from the left ... When the left ventricle contracts, it forces the blood through the aortic ...

How the Heart Works - CardioSmart


The heart is responsible for circulating blood throughout the body. ... made up of muscle that can squeeze or pump blood out every time the heart "beats" or contracts. Fresh, oxygen-rich air is brought into the lungs every time you take a breath. ... circulates the blood through the lungs and out to the different parts of the...

The Heart and Circulation of Blood


Another wall separates the rounded top part of the heart from the cone-shaped bottom part. ... They can squeeze (contract) to send blood rushing out. ... The systemic loop begins when the oxygen-rich blood coming from the lungs enters the ... The blood leaving the aorta brings oxygen to all the body's cells through the ...