a quick trip into the human circulatory system (also known as the cardiovascular system)...
TRANSCRIPT
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A Quick Trip Into theHuman Circulatory System
(also known as the Cardiovascular System)
Instructions for the quiz: After answering a question either correctly or incorrectly, right click and choose “last viewed” to go back to the question. Once you’re done with that question, click any blank spot on the screen to move on to the next.
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Click here when you’re done learning terms
Picture from: http://www.emc.maricopa.edu/faculty/farabee/biobk/circsyscomp_2.gif
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Oxygenated blood flows from the lungs to the pulmonary veins to the left atrium of the
heart, through the left ventricle, and out the aortic valve to the aorta, an artery which is
also the body’s largest blood vessel.
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• Unoxygenated blood flows from both the superior vena cava and the inferior vena cava into the right atrium, through the atrioventricular valve to the right ventricle and through the pulmonary valve to the pulmonary arteries where it is headed for the lungs to pick up some oxygen.
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Pulmonary Circulation
• The process of blood going from the heart to the lungs and back.
Systemic Circulation
• The process of blood going from the heart to the rest of the body and back.
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Capillaries• One of the most important parts of the
circulatory system, these tiny blood vessels deliver nutrients and oxygen to the cells while getting rid of waste products such as carbon dioxide.
Alveoli• These are tiny air sacs in the
lungs where oxygen exchange takes place.
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Things that can go wrong with the heart:
• Congenital heart defects – defects that are present at birth which involve abnormal or incomplete development of the heart
• Arrhythmia – Irregularities in the heart’s rhythm• Coronary heart disease – caused by atherosclerosis
(fat, calcium, and dead cells are deposited in the walls of the coronary arteries), this is the most common type of heart disorder in adults.
• Hypertension – when a person’s blood pressure is significantly higher than normal…symptoms include headache, nosebleed, dizziness and lightheadedness
• Stroke – this occurs when the blood supply to the brain is cut off
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Four steps to maintaining a healthy heart:
• 1. Getting plenty of exercise
• 2. Eating a nutritious diet
• 3. Maintaining a healthy weight
• 4. Getting regular medical checkups
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QUIZ TIME!!!!!
I’m not ready yet
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• What is the structure that blood goes through before entering the aorta?
• A. Pulmonary Valve
• B. Pulmonary Artery
• C. Aortic Valve
• D. Aortic ArteryAortic Artery
Aortic Valve
Pulmonary Artery
Pulmonary Valve
Question 1
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• After leaving the right ventricle, unoxygenated blood goes through the _____________ into the _____________ and finally, to the lungs to pick up oxygen.
• A. Right atrium, pulmonary veins
• B.
• C.
• D. Pulmonary valve, pulmonary artery
Aortic valve, aortaLeft atrium, pulmonary artery
Right atrium, pulmonary veins
Question 2
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• Unoxygenated blood flows through these two chambers of the heart:
• A.
• B. Right ventricle, left ventricle
• C. Right atrium, left atrium
• D. Left atrium, left ventricleLeft atrium, left ventricle
Right atrium, left atrium
Right ventricle, left ventricle
Right atrium, right ventricle
Question 3
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• What is the name of the process of providing oxygen to the rest of the body (not including the lungs)?
• A.
• B.
• C.
• D. Pulmonary circulation
Systemic circulation
Anaerobic respiration
Aerobic respiration
Question 4
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Question 5
• Tiny blood vessels that deliver nutrients and oxygen to cells while getting rid of waste products are called
• A.
• B.
• C.
• D.
venules
arterioles
alveoli
capillaries
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Question 6
• Tiny air sacs in the lungs where oxygen exchange takes place are called
• A.
• B.
• C.
• D.
Arterioles
Venules
Capillaries
Alveoli
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Question 7
• The most common type of heart disorder in adults caused by atherosclerosis is called
• A.
• B.
• C.
• D.
Arrhythmia
Stroke
Hypertension
Coronary Hearth Disease
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Question 8
• A(n) ________ occurs when the blood supply to the brain is cut off
• A.
• B.
• C.
• D.
ArrhythmiaCongenital Heart Defect
Coronary Heart Disease
Stroke
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Question 9
• How can you help maintain a healthy heart?
• A.
• B.
• C.
• D.
• E.
Getting plenty of exerciseEating a nutritious diet
Maintaining a healthy weight
Getting regular medical checkupsAll of the above
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Resources• Image of capillaries: http://images.google.com/imgres?imgurl=http://www.kidsbiology.com/
images/cells-ciruclatory-system.jpg&imgrefurl=http://www.kidsbiology.com/human_biology/circulatory-system.php&h=200&w=300&sz=22&hl=en&start=64&tbnid=7g33WLF8Z4zMpM:&tbnh=77&tbnw=116&prev=/images%3Fq%3Dcirculatory%2Bsystem%26start%3D60%26ndsp%3D20%26svnum%3D10%26hl%3Den%26sa%3DN
• Image of alveoli: http://images.google.com/imgres?imgurl=http://www.greenfacts.org/images/glossary/bronchi-bronchioles-alveoli.jpg&imgrefurl=http://www.greenfacts.org/glossary/abc/bronchitis.htm&h=290&w=280&sz=17&hl=en&start=4&tbnid=NqSye37YpBVdEM:&tbnh=115&tbnw=111&prev=/images%3Fq%3Dalveoli%26gbv%3D2%26svnum%3D10%26hl%3Den%26sa%3DG
• All information about the circulatory system: http://www.kidshealth.org/parent/general/body_basics/heart.html
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The End!Click button to exit module
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Incorrect…
• Hint: It goes through an opening called a valve…
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You are correct!!
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Incorrect…
• Hint: It goes through a valve into a blood vessel that leads away from the heart.
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Incorrect…
• Try again.
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You are correct!
• But there is a better answer…