Answer: uptakes

AnswerCrossword Clue
UPTAKESApprehensions
UPTAKESFlues, e.g.
UPTAKESPipes from a furnace to its chimney.
UPTAKESVentilating shafts.
UPTAKESFlues
UPTAKESPipes leading to the roof
uptakesThe action of taking up or making use of something that is available
uptakesThe taking in or absorption of a substance by a living organism or bodily organ
uptakesA pipe or flue leading air, smoke, or gases up to a chimney