I think either A or C because B doesn't make any sense.
Answer:
Internal: Heart, Lungs and Kidneys, Brain, Liver, Stomach, Intestines, Pancreas.
External: Skin, Ears, Eyes, Nose, Mouth ect.
Explanation:
External body parts are the ones that are on the outside of your body that are visible to people around you, and can also be seen by yourself. Skin is the biggest organ of your body.
Internal body parts are the are the parts that are not visible to because it is inside of you, and are mostly organs
Answer: Problem solving in an argument or in an emergency situation
Explanation: if you and your best friend get into a fight you need to resolve it or if your in an emergency situation you need to think fast to solve the problem.
Genetic is hereditary, meaning that your DNA carries ths genetic inheritance for a disease. Now some diseases are lifestyle factors, such as lung cancer for a smoker and things of the like. If you need specific diseases to choose from, let me know :)
Rest. If you had a pinched nerve, then you would stretch.
