Ch 19 Vocab Flashcards
The upper chambers or the heart that contract at the same time during a heart beat
Atrium
Blood vessel that carries blood away from the heart and has thicke elastic walls made of connective tissue and smooth muscle tissue
Artery
Microscope 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
Capillary
Flow of blood to and from the tissues of the heart
Coronary circulation
Chemical and red blood cells that carries oxygen from the lungs to body cells and carry some carbon dioxide from body cells back to the lungs
Hemoglobin
Tissue fluid that has difused into lymphatic capillaries
Lymph
Bean shaped organ found Throughout the body that filter out micro organisms and foreign materials taken up by the lymphocytes
Lymph node
Carries lymph through a network of lymph capilliaries and vessels and drains it into large veins near the heart helps fight infections and diseases
Lymphatic system
A type of white blood cell that fights infections
Lymphcyte
Liquid part of blood made mostly of water in which oxygen nutrients and minerals are dissolved
Plasma
Irreguraly shaped cell fragment that helps clot blood and releases chemicals that help from fibrin
Platelet
Flow of blood through the heart to the lungs and back to the heart
Pulomanary circulation
Largest part of 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 back to heart and has one way valves that keep blood moving toward the heart
Vein
Two lower chambers of the heart that cannot at the same time during a heart beat
Ventricle