| Term 
 
        | Carries blood to and from gas exchange  surfaces of lungs |  | Definition 
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        | Carries blood to and from the body |  | Definition 
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        | carry blood  away from the heart |  | Definition 
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 | Definition 
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        | (aka exchange vessels)  are networks between  arteries and veins |  | Definition 
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        | collects blood  from systemic circuit |  | Definition 
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        | pumps blood  to pulmonary circuit |  | Definition 
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        | Term 
 
        | collects blood  from pulmonary circuit |  | Definition 
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        | pumps blood  to systemic circuit |  | Definition 
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        | is the inner layer of pericardium |  | Definition 
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        | the space between parietal and  visceral layers |  | Definition 
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        | the outer layer of pericardium |  | Definition 
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        | divides atria and ventricles |  | Definition 
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        | Before birth, the two atria are connected by the |  | Definition 
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        | receives blood from  head, neck, upper limbs, and chest |  | Definition 
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        | receives blood from trunk,  viscera, and lower limbs |  | Definition 
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        | The right atrioventricular (AV) valve aka
 |  | Definition 
 
        | tricuspid valve: regulates flow from the right atrium into  the right ventricle |  | 
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        | Term 
 
        | atrioventricular (AV)  valve AKA |  | Definition 
 
        | Bicuspid or Mitral valve: Blood from left atrium passes  into the left ventricle through  the left |  | 
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