Which four body systems interact to allow a person to sneeze? A Muscular, immune, nervous, respiratory B Nervous, respiratory, circulatory, skeletal C Respiratory, endocrine, skeletal, circulatory D Lymphatic, skeletal, respiratory, muscular

Answer:AExplanation:Muscular, immune, nervous and respiratory systems are involved in the process of sneezing. Sneezing is the natural defense mechanism of the human body. When any foreign particle enters the respiratory system then it irritates the respiratory epithelium and sends a signal to the through the 5th trigeminal nerve and sneezing reflex starts which involved skeleton muscles and respiratory system.