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Circulatory System

Author: antonia
Across
Gas composed of two oxygen atoms and one carbon atom
one of the four chambers of the heart, located on the left posterior side. Its primary roles are to act as a vessel for blood returning from the lungs and to act a pump to transport blood to other areas of the heart.
An element, normally a gas, that makes up about one-fifth of the atmosphere of the Earth. Oxygen is usually found as a molecule made up of two atoms. Its symbol is O.
each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed
the artery carrying blood from the right ventricle of the heart to the lungs for oxygenation.
a large vein carrying deoxygenated blood into the heart.
a vein carrying oxygenated blood from the lungs to the left atrium of the heart.
Down
The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it under low pressure into the lungs via the pulmonary artery.
The smallest of a body's blood vessels
The left lower chamber of the heart that receives blood from the left atrium and pumps it out under high pressure through the aorta to the body.
The right atrium is one of the two atria of the heart, which function as receiving chambers for blood entering the heart. It is located to the right of the left atrium and superior to the much larger and more muscular right ventricle.
a band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body.
The main artery in the human body