Circulatory System PDF

THE CIRCULATORY SYSTEM The Circulatory System The circulatory system is the organ system that is responsible for ________________________ transporting substances throughout the body. The circulatory systems is...

THE CIRCULATORY SYSTEM The Circulatory System The circulatory system is the organ system that is responsible for ________________________ transporting substances throughout the body. The circulatory systems is made up of: _________________________ blood, the heart and _________________________ blood vessels  The Circulatory System The circulatory system contains all four types of tissue: The blood and heart valves are connective tissue _________________ The blood vessels and the heart are lined with ________________. epithelial tissue The heart is a large _______. muscle There is ____________ nerve tissue connected to the heart to tell the heart muscle to _________. contract The Circulatory System Lungs Artery Vein Artery Vein Capillaries in tissue exchange oxygen and carbon dioxide  Blood Blood is a type of __________________ connective tissue that circulates throughout the body. Blood transports… oxygen _______________________ nutrients _______________________ heat energy _______________________ _______________________ carbon dioxide _______________________ hormones _______________________ waste  Blood is made up of: A. Red blood cells (Erythrocytes) 45% of your blood Contains hemoglobin – 4 sites where oxygen and carbon dioxide can attach Oxygen is transported from lungs to tissues Carbon dioxide is transported from tissues to lungs.  Blood is made up of: B. White blood cells (leukocytes) 1% of your blood volume Macrophages – can “eat” infections Lymphocytes - form antibodies that can attach to and destroy infections.  Blood is made up of: C. Platelets