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Heart, Viens, Artries, Blood

        Help!  

Question
Answer
How can you tell side of the heart is the ventral surface?   Because the artries and veins are come up through the top and the ...  
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How many chambers does a mammalian heart have? Name an example.   4 chambers, Bird.  
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Blood from the lungs enters the heart through the? a)Right Atrium b)Right ventricle c)Left atrium d) Left Ventricle   c  
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The protective sac in which the heart is enclosed is the a) septum b)pericardium c)Lymphatics d) Clavicle   b  
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Carbon dioxide and waste products diffuse form the tissures into the blood through the a) capillaries b)arterioles c)venules d)Lymph Vessels   a  
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the inner layer of a vein is made of?   Epithelial Tissue  
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The heart rate is increased by?   The sympathetic nervous system  
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Unlike all other artries, the pulmonary artery...   Carries oxygen-poor blood  
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Valves are present in?   Lymph vessels, veins and heart  
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Blood is carried to the tissues of the heart by   Coronary Artery  
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The fluid that leaks in the tissues from the blood is   lymph  
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55% of your blood is made of   Plasma  
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Blood Pressure is regulated by special sensory neurons and by the   kindeys  
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What does the superior Vena Cava do?   Largest vein in the body, take blood to the heart  
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Where does the blood flow from when it reaches the Right atrium   Superior Vena Cava  
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Muscle tissuse that contracts without nerve excitation   Mygentic  
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Define Mygentic   Muscle tissues that contracts without nerve excitation  
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Large pumping chamber of the heart is ?   Ventricles  
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Arteries do what?   Carry blood away from the heart and to the rest of the body  
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Accumlation of fat deposits in the artries   Atheroscelosis  
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What is Artheroscelosis?   Accumlation for fat and plaque in the artries  
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Narrowing of Blood vessels   vasoconstriction  
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what is Vasoconstriction?   Narrowing of blood vessels  
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Blood in the pulmonary artery   deoxygenatic  
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Disorder caused by a faulty heart value   Mermer  
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Thin walled chamber of the heart is?   atrium  
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System that carries blood to the lungs   pulmonary system  
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bulge in the wall of the heart is   anuriusm  
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What is an anuriusm   A bulge in the wall of the heart  
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Blood vessels in which diffusion occurs   Capillaries  
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Widening of the blood vessels   vasodilation  
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What is Vasodilation?   Widening of the blood vessels  
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What arteries supply the heart   Corenary arteries  
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