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a blood vessel that carries blood away from the heart to the body’s organs
Artery
one of the two arteries that carry blood directly to the heart cells
Coronary Artery
any of the tiny air cells of the lungs where oxygen and carbon dioxide are exchanged
Alveolus
a vessel that carries blood to the heart
Vein
a system that is used to identify human blood by the antigens found on the surface of red blood cells
ABO Blood Group System
a dome-shaped muscle that is attached to the lower ribs and that acts as the main muscle to allow breathing
Diaphragm
the force that blood puts on the walls of the arteries as blood moves along the arteries
Blood Pressure
a set of organs that move blood through the body; includes the heart, arteries, veins, and capillaries
Cardiovascular System
a set of organs whose main function is to collect fluid outside of cells and return it to the blood; includes the lymph nodes and the lymphatic vessels
Lymphatic System
a disc-shaped cell that has no nucleus, that contains hemoglobin, and that carries oxygen in the circulatory system
Red Blood Cell
a type of cell in the blood that destroys bacteria, viruses, and harmful proteins and that helps the body develop immunities
White Blood Cell
a chamber of the heart that receives blood that is returning from the body or the lungs
Atrium
one of the two large veins that carry blood from the body to the heart
Vena Cava
a flap of tissues in the heart, veins, or lymphatic vessels that forces blood or lymph to move in one direction only
Valve
the pressure waves in an artery that are caused by the contraction of the ventricles of the heart
Pulse
the tube between the mouth and the larynx and esophagus
Pharynx
a piece of a white blood cell that is needed to form blood clots
Platelet
a tiny blood vessel that allows gas and wastes to move between the blood and the cells of the body
Capillary
the main artery in the body; it carries blood from the left ventricle of the heart to the rest of the body
Aorta
a mass of cardiac muscle cells that is found where the superior vena cava joins with the right atrium and that causes the heart to beat
Sinoatrial Node (SA Node)
the liquid part of blood
Plasma
a condition in which the ability of red blood cells to carry oxygen is reduced and the making of red blood cells decreases
Anemia
one of many antigens carried on the surface of red blood cells
Rh Factor
the area of the throat that has the vocal cords and that makes vocal sounds
Larynx
a sudden attack of weakness or paralysis that happens when blood flow to an area of the brain is blocked
Stroke
one of the two large muscular chambers that pump blood out of the heart
Ventricle
the damage and loss of use of an area of the heart muscle
Heart Attack
one of a pair of tubes that connect the lungs with the trachea
Bronchus
the tube that connects the pharynx to the lungs
Trachea