babies will instinctively hold their breath underwater
... that babies will instinctively hold their breath underwater until the age of six months?
... that <b id="mwAwY"><a href="./Infant_swimming" id="mwAwc" rel="mw:WikiLink" title="Infant swimming">babies will instinctively hold their breath underwater</a></b> <i id="mwAwg">(pictured)</i> until the age of six months?