lower chambers
Heart's pumping halves
Lower chambers refers to parts of a divided whole that sit below or beneath corresponding upper sections.
In anatomy, the lower chambers of the heart are the ventricles, which pump blood out to the body and lungs.
In government, the lower chamber (or lower house) is typically the larger, more popularly elected legislative body—the House of Representatives in the U.S., the House of Commons in Britain.
The term "lower" reflects historical hierarchy rather than importance: The bill passed the lower chamber but stalled in the Senate.
- basementSubterranean building level
- cellarUnderground storage room
- wine cellarUnderground room for bottles
- cryptSubterranean burial vault
- heartCirculatory system's pump
beating heart · left ventricle · Bundestag · vault · artery · dungeon · stone walls · secret passage · vein · blood vessel · catacomb · septum · pumping blood · aorta · cardiac · pit · vessel · myocardium
- heart partsleft atrium, right atrium, left ventricle, right ventricle, atria
lower chambersupper chambers
Heart's receiving compartments
atria · left atrium · right atrium · auricles
lower chambersupper chambers
Heart's receiving compartments
upper houses · Senate · House of Lords · Bundesrat · senates
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