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Name: Date: House: Teacher: Day One: Introduction DO NOW Directions: What is this a picture of? Explain what its purpose is. These are railroad tracks, which are designed to transport goods over long distances. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ Mr. Shah’s 7th Grade Science Class | Page 1 TALK LIKE A SCIENTIST Blood vessels which carry oxygenated blood. Artery: Blood vessels which carry de-oxygenated blood. Vein: I DO: Parts of the Heart Directions: Let’s label together the key parts of the Circulatory System. The key terms that we need to find are Right Atrium, Left Atrium, Right Ventricle, Left Ventricle, and Superior Vena Cava. Blood Vessel Function Artery Carries blood with oxygen Vein Carries blood without oxygen Capillary Carries individual blood cells to individual body cells to bring oxygen Mr. Shah’s 7th Grade Science Class | Page 2 WE DO: Blood Flow The blood can flow through the heart in two different ways: Through the lungs Through the rest of the body When you take someone’s blood pressure you test for: Systolic – pressure in arteries when ventricles contract Diastolic -pressure in arteries when ventricles relax Another way to say this is hypertension or hypotension Blood: The blood within your body has 3 main Functions: A. Transport oxygen B. Fight infections C. Regulate temperature Mr. Shah’s 7th Grade Science Class | Page 3 YOU DO: Blood Cells Red Blood Cells White Blood Cells Most numerous Larger than red blood cells Formed in the bone marrow Fight off invading organisms (pathogens) Carry oxygen and nutrients to body and waste back Release antibodies to help identify pathogens Filled with the protein hemoglobin, which contains iron Destroy damaged/infected cells Directions: Label the heart below with the words in the word bank. Word Bank right atrium right ventricle left atrium left ventricle pulmonary artery pulmonary vein aorta vena cava septum valves oxygen carbon dioxide capillaries of the body capillaries of the lungs coronary artery Mr. Shah’s 7th Grade Science Class | Page 4 Name: Date: House: Teacher: EXIT TICKET Directions: Fill in the boxes using the words below to show the path blood flows through your circulatory system. Start in the right atrium. Right atrium 10. 1. vena cava right ventricle 9. 8. Blood cells pick up carbon dioxide capillaries of the body 2. pulmonary artery 3. Blood cells pick up oxygen Capillaries of the lungs 7. aorta 6. 4. left ventricle pulmonary vein 5. left atrium Word Bank: aorta right ventricle right atrium pulmonary vein vena cava pulmonary artery left ventricle left atrium oxygen carbon dioxide septum valves capillaries of the body capillaries of the lungs coronary artery Mr. Shah’s 7th Grade Science Class | Page 5
