upper chambers
Heart's top halves
Upper chambers refers to the top sections of a divided space, most commonly the heart's two atria (as opposed to the lower ventricles) or a legislature's senior house (like the U.S.
Senate or British House of Lords).
The phrase appears in both anatomical and political contexts: The upper chambers receive blood from the body, The bill passed both upper chambers.
- heartCirculatory system's pump
- arteryOxygen-rich blood conduit
- aortaChief arterial trunk
- blood vesselsTubes carrying circulating fluid
- vesselReceptacle for contents
mezzanine · top floor · attic · loft · atrium · senate · legislative body · cardiac · cardiac muscle · parliament · myocardium · bicameral · auricle · vein · vasculature · ventricle · heart valve · pulmonary vein
- heart partsleft atrium, right atrium, left ventricle, right ventricle, atria
legislative structure
upper chamberslower chambers
Bottom sections of something
lower houses · House of Representatives · House of Commons · National Assembly · Bundestag