The phrase "takes air" can be replaced by a variety of synonyms, including "inhales," "breathes in," "draws in breath," "inspires," or "gasps." Each of these synonyms conveys the idea of someone filling their lungs with air, either intentionally or involuntarily. Depending on the context, some words may be more appropriate than others. For example, "gasps" may suggest surprise or shock, while "inhales" is a more neutral term. Other possible synonyms for "takes air" could include "sucks in," "sniffs," or "smells," each of which describes a slightly different way of bringing air into one's body.