Meaning: Membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional. Classified under: Nouns denoting animals. Synonyms: umbilical vesicle; vesicula umbilicus; vitelline sac; yolk sac. Hypernyms (vesicula umbilicus is a kind of...): sac (a structure resembling a bag in an animal)
electric fan; blower. Hypernyms (blower is a kind of...): fan (a device for creating a current of air by movement of a surface or surfaces) Meronyms (parts of blower): electric motor (a motor that converts electricity to mechanical work) fan blade (blade of a rotating fan)
The blower motor relay is the electrical switch that is used to supply the power for the vehicleâs blower motor. The blower motor is the component responsible for pushing air through the vents of your vehicleâs heating and air conditioning systems. Without it, the AC system will not be able to circulate any heated or cooled air.