If you go to Grid View (the or button in the bottom right of the screen switches between Grid View and Card View), you will see a series of switches across the bottom of the screen. Each of these switches will toggle to display or hide different kinds of profiles. If, for example, you tap the passed switch (), all the profiles that you have passed on will be added to the Grid View display. You can now peruse and consider these profiles again and maybe change your mind about them (or not).
You can show or hide “matched” (), “liked” (), and “passed” () profiles by toggling the associated switch.