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15 Cards in this Set

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  • Back
coronary circulation
Flow of blood to and from the tissues of the heart.
lymph node
Bean-shaped organ found throughout the body that filters out micro-organisms and foreign materials taken up by the lymphocytes.
lymphocyte
A type of white blood cell that fights infection.
systemic circulation
Largest part of the circulatory system in which oxygen-rich blood flows to all organs and body tissues, except the heart and lungs, and oxygen-poor blood is returned to the heart.
pulmonary circulation
Flow of blood through the heart to the lungs and back to the heart.
plasma
Liquid part of blood, made mostly of water, in which oxygen, nutrients, and minerals are dissolved.
vein
Largest part of the circulatory system in which oxygen-rich blood flows to all organs and body tissues, except the heart and lungs, and oxygen-poor blood is returned to the heart.
atria
Two upper chambers of the heart that contract at the same time during a heartbeat.
lymph
Tissue fluid that has diffused into the capillaries.
capillary
Microscopic blood vessel that connects arteries and veins; has walls one cell thick, through which nutrients and oxygen diffuse into body cells and waste materials and carbon dioxide diffuse out.
lymphatic system
Carries lymph through a network of lymph capillaries and vessels and drains it into large veins near the heart; helps fight infections and
platelet
Irregularly-shaped cell fragment that helps clot blood and releases chemicals that help form fibrin.
ventricles
Two lower chambers of the heart that contract at the same time during a heartbeat.
artery
Blood vessel that carries blood away from the heart and has thick, elastic walls made of connective tissue and smooth muscle tissue.
hemoglobin
Chemical in red blood cells that carries oxygen from the lungs to body cells and carries some carbon dioxide from body cells back to the lungs.