Same position as S, but add vocal cord vibration. Feel the buzz.

Americans pronounce zoo as ZOO (/zu/). You'll hear it in sentences like "Zebras in the zoo" or "The zoo is closed for renovations" — more examples below.
Record yourself saying "zoo" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 2 sounds. Explore each sound's mouth shape and how it's made.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.