vessel

(a tubular structure carrying blood through the tissues and organs; such as a vein, artery, or capillary.)

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aorta

1. (the main artery of the body, supplying oxygenated blood to the circulatory system.)

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artery

(carries oxygenated blood)

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fatty deposit

(such as cholesterol or plaque)

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bacteria

(A large group of unicellular micro-organisms that have cell walls but lack organelles and an organized nucleus, including some that can cause disease.)

heart

(a hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation.)

sound

electricial activity; electricty

blood

 (the red liquid that circulates in the arteries and veins, carrying oxygen to and carbon dioxide from the tissues of the body.)

blood

(the red liquid that circulates in the arteries and veins, carrying oxygen to and carbon dioxide from the tissues of the body.)

blockage; definciency

(an obstruction that makes movement or flow difficult or impossible)

lymph

(a colorless fluid containing white blood cells, that bathes the tissues and drains through the lymphatic system into the bloodstream.)

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vein

(carries deoxygenated blood)

vein

(carries deoxygenated blood)

plasma

(the colorless fluid part of blood, lymph, or milk, in which corpuscles or fat globules are suspended.)

pulse

(rhythmical throbbing)

spleen

(an abdominal organ involved in the production and removal of blood cells that forms part of the immune system.)

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clot

(a thick mass of coagulated liquid, especially blood, or of material stuck together.)

thymus gland

(a lymphoid organ situated in the neck of vertebrates that produces T cells for the immune system.)

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valve

(controls the flow of fluid through a pipe or duct, typicially allowing movement in one direction.)

 valve

(controls the flow of fluid through a pipe or duct, typicially allowing movement in one direction.)

ventricle

(a hollow part or cavity in an organ, such as each of the two main chambers of the heart, left and right- or each of the four connected fluid-filled cavities in the center of the brain.)