Flashcards in Chapter 19 Deck (15):
Blood vessel that carries blood away from the heart, and has thick, elastic walls made of connective tissue and smooth muscle tissue.
Two upper chambers of the heart that contract at the same time during a heartbeat.
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.
Flow of blood to and from the tissues of the heart.
Chemical in red blood cells that carries oxygen from the lungs to body cells, and carries oxygen from the lungs to body cells back to the lungs.
Tissue fluid that has diffused into lymphatic capillaries.
Carries lymph through a network of lymph capillaries and vessels, and drains it into large veins near the heart; helps fight infections and diseases.
Bean-shaped organs found throughout the body that filter out microorganism and foreign materials taken up by the lymphocytes.
A type of white blood cell that fights infections.
Liquid part of blood, made mostly of water, in which oxygen, nutrients, and minerals, are dissolved.
Irregularly shaped cell fragment that helps clot blood and releases chemicals, that help form fibrin.
Flow of blood through the heart to the lungs and back to the heart.
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.
Blood vessel that carries blood back to the heart, and has one-way valves that keep blood moving toward the heart.