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Circulatory and respiratory systems

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Question
Answer
Organisms are composed of?   A small number of cells that do not need a circulatory system  
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What can be easily diffused back and forth across the cell membranes?   Oxygen, Nutrients, and waste products  
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What does the human circulatory system consist of?   A heart, series of blood vessels, and blood that flows through them  
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LArge vein that brings oxygen-poor blood from the upper part of the body to the right of atrium?   Superior vena cava  
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Brings oxygen-rich blood from each of the lungs to the left atrium?   Pulmonary Veins  
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Prevents blood from flowing back into the right ventricle after it has entered the pulmonary artery   Pulmonary Valve  
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Prevents blood from flowing back into the right atrium after it has entered the right ventricle   Tricuspid valve  
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Vein that brings oxygen-poor blood from the lower part of the body to the right atrium   Ingerior vena cava  
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Brings oxygen-rich blood form the left ventricle to the body   Aorta  
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Bring oxygen-poor blood to the right or left lung.   Pulmonary Arteries  
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Prevents blood from flowing back into the left ventricle after it has entered the aorta   Aortic valve  
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Prevents blood from flowing back into the left artium after it has entered the left ventricle   Mitral valve  
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Two layers of epithelial and connective tissue that forms around this thick layer of muscle   Myocardium  
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The upper chamber which recieves blood   Atrium  
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Lower chamber that pumps blood out of the heart   Ventricle  
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The heart's four chambers   two atria and two ventricles  
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Path of the right side of the heart pumps blood from the heart to the lungs.   Pulmornary Circulation  
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The path where oxygen-rich blood flows into the left side of the heart and is pumped to the rest of the body   Systemic circulation  
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Flaps of connective tissue   Valves  
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what keeps the blood from being clotted   Platelets  
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how many chambers in the heart   4  
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what are the two main chambers of the heart?   Atrium and Ventricle  
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The part of lung that was evolved and does not match the color scheme.   polumnary artery and vein  
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dense fibral cartilage    
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cartilage becomes?   bone with ossification  
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condriosite and osteocyte   condriosite turns into an osteocyte  
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purpose of the compact bone    
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medullary cavity   energy is stored with fat.  
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two types of digestion   chemical and mechanical  
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Saliva is what   chemical that helps digestion.  
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metabolism   break down and making of molecules  
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