Multiple choice general knowledge A Frog empties it's stomach by...? throwing up it's stomach throwing up it's kidney's throwing up liver none of these Reveal answer Fill a bubble to check yourself A Correct answer Explanation Frogs possess the unique ability to completely evert (vomit) their stomachs when they need to empty them, which serves as both a defensive mechanism and a response to consuming toxins. They do not eject their kidneys or liver in this process.