Multiple choice Which of the following groups of organs belongs to external organs? Eyes, Nerves, Stomach, Intestine Heart, Lungs, Stomach, Brain Nose, Mouth, Ears, Eyes Nose, Lungs, Brain, Nerves Nerves, Lungs, Heart, Brain Reveal answer Fill a bubble to check yourself C Correct answer Explanation External organs are responsible for protecting the body from most physical and environmental changes, and help us in sensing these changes. Nose, mouth, ears and eyes all are external organs and are present outside the body.