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Cardiovascular System Cardiovascular System Cardio = “heart” Vascular = “vessels” Cardiovascular System Cardio = “heart” Vascular = “vessels” Made up of heart, vessels, and blood Cardiovascular System Cardio = “heart” Vascular = “vessels” Made up of heart, vessels, and blood Closed system—blood stays inside the vessels Cardiovascular System Cardio = “heart” Vascular = “vessels” Made up of heart, vessels, and blood Closed system—blood stays inside the vessels Blood only flows one-way What is another name for the cardiovascular system? a) b) c) d) Respiratory system Circulatory system Immune system Skeletal system Types of Blood Vessels 1. Arteries—move blood away from the heart Types of Blood Vessels 1. Arteries—move blood away from the heart 2. Veins—move blood toward the heart Types of Blood Vessels 1. 2. 3. Arteries—move blood away from the heart Veins—move blood toward the heart Capillaries— microscopic blood vessels that connect arteries & veins Which one of these vessels carries blood away from the heart? a) b) c) d) Pulmonary vein Renal vein Renal artery Superior vena cava Functions of the Blood 1. Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells Functions of the Blood 1. Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells 2. Carries waste products of cell activity to kidneys to be removed from the body Functions of the Blood 1. 2. 3. Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells Carries waste products of cell activity to kidneys to be removed from the body Transports nutrients from digestive system to body cells Functions of the Blood 1. 2. 3. 4. Carries oxygen from lungs to all body cells & removes carbon dioxide from the cells Carries waste products of cell activity to kidneys to be removed from the body Transports nutrients from digestive system to body cells Materials in blood help fight infection and heal wounds (white blood cells & platelets) Which 2 substances does the blood transport away from body cells? a) b) c) d) Oxygen & carbon dioxide Carbon dioxide & waste Nutrients & waste Oxygen & nutrients What parts of the blood help fight off disease and heal injuries? a) b) c) d) white blood cells & platelets red blood cells & platelets white blood cells & red blood cells white blood cells & plasma Which is not a function of the cardiovascular system? a) b) c) d) Carry nutrients & oxygen to body cells Carry carbon dioxide & waste away from body cells Attack disease-causing bacteria Produce chemicals that control body processes (2) superior vena cava The Heart CO2 from body Add these labels to your heart diagram! CO2 from body (6) inferior vena cava CO2 from body The Heart (3) right atrium (4) valve (5) right ventricle CO2 from body The Heart CO2 from body CO2 to lungs CO2 from body (7) pulmonary artery CO2 to lungs The Heart (7) pulmonary artery CO2 to lungs O2 from lungs CO2 to lungs O2 from lungs (8) pulmonary vein The Heart O2 from lungs O2 from lungs (9) left atrium (10) valve (11) left ventricle O2 to body The Heart (1) aorta O2 from lungs O2 from lungs O2 to body O2 to body The Heart CO2 from body CO2 to lungs CO2 to lungs O2 from lungs O2 from lungs (12) septum CO2 from body Anatomy of the Heart O2 to body http://www.texasheartinstitute.org/HIC/ProjH/cardiovascularsystem.cfm What force causes blood to keep flowing through the body? The opening & closing of the valves in the heart b) Gravity pushing blood through the veins c) Cardiac muscle in the heart contracting and relaxing d) Cardiac muscle in the blood vessels contracting and relaxing a) What is this chamber called? a) b) c) d) Right atrium Left atrium Right ventricle Left ventricle The pulmonary artery carries blood from the _______ to the _______. a) b) c) d) Heart, body Heart, lungs Lungs, heart Lungs, body When blood enters the left atrium from the lungs, what does it contain? a) b) c) d) No oxygen or carbon dioxide Equal amounts of oxygen and carbon dioxide Mostly carbon dioxide Mostly oxygen What is this structure called? a) b) c) d) Superior vena cava Aorta Left atrium Valve Summary Pulmonary artery lungs (O2 poor) Pulmonary vein (O2 rich) Veins Arteries (O2 poor) (O2 rich) St Joseph’s Heart Song http://www.stjosephaspirin.co m/page.jhtml?id=/stjoseph/incl ude/5_2.inc body