Which of these parts of your body operate the brakes on a normal motorcycle?

The correct answer indicates that the right hand and right foot are responsible for operating the brakes on a motorcycle. This is standard on most motorcycles, where the right hand controls the front brake lever located on the right side of the handlebars, and the right foot operates the rear brake pedal located on the right side of the footrest.

Understanding this functionality is crucial for safe motorcycle operation, as both brakes work together to provide effective stopping power. The front brake provides most of the stopping force, while the rear brake helps with stability and balance during a stop. Familiarity with these controls can enhance a rider's confidence and control over the motorcycle, particularly in emergency situations.

The other choices do not accurately reflect the typical setup found on motorcycles, where using both the left hand and left foot, only the left hand, or both hands and feet would not align with the standard braking mechanism.