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15 Cards in this Set

  • Front
  • Back
two upper chambers of the heart that contract at the same time during a heatbeat
two lower chambers of the heart, that contract at the same time, during a heartbeat
flow of blood to and from the tissues of the heart
coronary circulation
flow of blood through the heart to the lungs and back to the heart
pulmonary circulation
largest part of the circulatory system, in which oxygen-rich blood flows to all the organs and body tissues except the heart and lungs, and oxygen-poor blood is returned to the heart
systemic circulation
blood vessel that carries blood away from the heart, and has thick, elastic walls made of connective tissue and smooth muscle tissue
blood vessel that carries blood back to the heart, and has one-way valves that keep blood moving toward the heart
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 of body cells
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
irregularly shaped cell fragment that helps clot blood and releases chemicals that help form fibrin
liquid part of blood, made mostly of water, in which oxygen, nutrients, and minerals are dissolved
tissue fluid that has diffused into lymphatic cappilaries
carries lymph through a network of lymph cappilaries and vessels, and drains it into large veins near the heart; helps fight infections and diseases
lymphatic system
bean-shaped organs found throughout the body that filter out microorganisms and foreign materials taken up by the lymphocytes
lymph nodes
a type of white blood cell that fights infection