D = Left Atrium receives oxygenated blood from the – pulmonary veins. E = Left Ventricle pumps blood through the aorta to – the body F = Right Ventricle pumps blood into the pulmonary – artery. G = Valve prevents back flow between chambers. – H = Inferior Vena Cava brings blood from body cells – found below the heart to the right atrium. I = Right Atrium receives deoxygenated blood from – the superior and inferior vena cava. Lymphatic System: carries (ICF intercellular fluid), blood plasma leaked from – capillaries, back to the circulatory system. Along with the lymph nodes, this secondary circulatory system aids in the in fighting disease → (immunity = the immune system). Blood: mostly water and dissolved substances (nutrients, oxygen, carbon dioxide, etc… = plasma); contains three different kinds of cells. Red Cells (RBC): contain hemoglobin, which carries → oxygen; manufactured in the bone marrow.. White Blood Cells (WBC): patrol the body for foreign → organisms and materials (phagocytes), and make antibodies to fight against virus particles and other substances (lymphocytes); also made in bone marrow. Platelets: aid in the formation of blood clots (to plug up wounded blood vessels). → Immunity: protects body systems from invasion by foreign organisms and substances. White Blood Cell: attack invaders (phagocytes) or make antibodies (lymphocytes). Antigen: foreign organism or substance that initiates the immune response. Antibodies special proteins made” by – “tailor lymphocytes that attack specific antigens. Pathogen disease-causing organism –
D = Left Atrium – receives oxygenated blood from the pulmonary veins. E = Left Ventricle – pumps blood through the aorta to the body F = Right Ventricle – pumps blood into the pulmonary artery. G = Valve – prevents back flow between chambers. H = Inferior Vena Cava – brings blood from body cells found below the heart to the right atrium. I = Right Atrium – receives deoxygenated blood from the superior and inferior vena cava. Lymphatic System: carries (ICF – intercellular fluid), blood plasma leaked from capillaries, back to the circulatory system. → Along with the lymph nodes, this secondary circulatory system aids in the in fighting disease (immunity = the immune system). Blood: mostly water and dissolved substances (nutrients, oxygen, carbon dioxide, etc… = plasma); contains three different kinds of cells. → Red Cells (RBC): contain hemoglobin, which carries oxygen; manufactured in the bone marrow.. → White Blood Cells (WBC): patrol the body for foreign organisms and materials (phagocytes), and make antibodies to fight against virus particles and other substances (lymphocytes); also made in bone marrow. → Platelets: aid in the formation of blood clots (to plug up wounded blood vessels). Immunity: protects body systems from invasion by foreign organisms and substances. White Blood Cell: attack invaders (phagocytes) or make antibodies (lymphocytes). Antigen: foreign organism or substance that initiates the immune response. Antibodies – special proteins “tailor made” by lymphocytes that attack specific antigens. Pathogen – disease-causing organism
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