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circulatory/respiratory systems

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Question
Answer
tissue made up of cells fluid and other substances which carries o2 co2 and nutrients through tubes called blood vessels   blood  
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organ that pumps blood   heart  
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o2 carrying pigmen rbc of blood   hemoglobin  
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chamber of heart that recieves blood from body   atrium  
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blood in right atrium is pushed through an_____________ valve into right ventricle   atrioventricle  
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one of twwo large muscular chambers that pump blood out of heart   ventricle  
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squeezes blood out of heart to lungs where co2 is removed and o2 enters   right ventricle  
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blood returns to heart at _______________ then pushed through an a-valve into __________   left atrium/left ventricle  
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3 types of vessels that carry blood through body   arteries, veins, capillaries  
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carry blood away from heart   arteries  
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carry blood to heart   veins  
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tiny blood vessels that connect arteries to veins   capillaries  
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about_______% of blood is plasma   55%  
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plasma is a clear liquid that is about_____% water   92%  
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3 types of blood cells that make up blood   RBC, WBC, platelets  
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full of hemoglobin and carry o2 to body also return co2 to lungs   RBC  
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protect body from disease   WBC  
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blood clots   platelets  
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brings life giving o2 to body and helps get rid of co2   respiratory system  
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process of bringing o2 in and getting rid of co2   respiration  
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main organs of gas exchange   lungs  
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air enters body through _______ and __________   mouth, nasal cavities  
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after air enters body, it flows into   pharynx, (throat)  
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at the base of the pyarynx is   larynx (voice box)  
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attached to larynx is _____________ which carries air into lungs   trachea (windpipe)  
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trache branches into 2 tubes _________ which send air to lungs   bronchus  
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in the lungs, bronchi branch into many tubes , smallest is called   bronchiole  
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at end of each bronchiole is an air sac called__________ which is site for gas exchange   alveolus  
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movement of rib muscles and ______________ pull air into lungs and push air out   diaphragm  
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sheet of muscle that seperates chest cavity from the abdominal cavity   diaphragm  
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controlled by brain stem that detects co2 in blood   breathing rate  
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Created by: lauren233
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