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Exercise Science and Sports Medicine Unit 3 C CIRCULATORY SYSTEM Worksheet # 1 Name __________________________________________ Period ____________ 1. What are the 3 functions of the circulatory system? 1. 2. 3. 2. The human heart is about the size of your ________________. 3. The heart is divided down the middle by a wall called the _________________. 4. What is the difference between the Atrium and the Ventricles? 5. Which side of the heart is each of the following located on? 1. Bicuspid Valve – 2. Tricuspid Valve – 6. Trace a drop of blood through the heart: 1. Inferior and Superior Vena Cavas 2. 3. 4. 5. 6. 7. Lungs 8. 9. 10. 11. 12. Aorta Artery to body Unit 3 C - Circulatory System 1 draft copy Exercise Science and Sports Medicine 7. Explain the differences between arteries, veins, and capillaries: 8. What is the purpose of each of the following: Red Blood Cells – White Blood Cells – Platelets – Plasma – 9. What organs can take over for an injured or removed spleen? 10. What are the functions of the spleen? 1. 2. 11. Name the two phases of circulation and describe where each goes? 12. The total circulatory process from the heart, to the lungs, to the body, and back to the heart takes about _________________________. Unit 3 C - Circulatory System 2 draft copy Exercise Science and Sports Medicine Unit 3 C CIRCULATORY SYSTEM - KEY Worksheet # 1 1. What are the 3 functions of the circulatory system? 1. 2. 3. Deliver oxygen and nutrients to the body tissues Carry waste from the cells to be excreted Body temperature regulation 2. The human heart is about the size of your ___fist______. 3. The heart is divided down the middle by a wall called the ____Septum____. 4. What is the difference between the Atrium and the Ventricles? Atrium – upper chambers which are the receiving chambers of blood from the body and the lungs Ventricles – lower chambers which are the pumping chambers to the lungs and the body 5. Which side of the heart is each of the following located on? 1. 2. 6. Bicuspid Valve – left side Tricuspid Valve – right side Trace a drop of blood through the heart: 1. Inferior and Superior Vena Cavas 2. Right Atrium 3. Tricuspid Valve 4. Right Ventricle 5 Pulmonary Semilunar Valve 6. Pulmonary Arteries 7. Lungs 8. Pulmonary Veins 9. Left Atrium 10. Bicuspid Valve 11. Left Ventricle 12. Aorta Artery to body Unit 3 C - Circulatory System 3 draft copy Exercise Science and Sports Medicine 7. Explain the differences between arteries, veins, and capillaries: Arteries – carry blood away from the heart Veins – carry blood toward the heart Capillaries – microscopic vessels where oxygen and nutrient exchange takes place 8. What is the purpose of each of the following: Red Blood Cells – Carry oxygen and carbon dioxide White Blood Cells – Fight disease, infection, and inflammation Platelets – Clotting Plasma – Liquid component of blood which carries the cells and nutrients 9. What organs can take over for an injured or removed spleen? Liver and Bone Marrow 10. What are the functions of the spleen? 1. 2. 11. Filters blood Assist with immune defense Name the two phases of circulation and describe where each goes? Systemic circulation – blood from heart to body and back to heart Pulmonary circulation – blood from heart to lungs and back 12. The total circulatory process from the heart, to the lungs, to the body, and back to the heart takes about ____1 minute________. Unit 3 C - Circulatory System 4 draft copy