What body system does pertussis effect?

What is action taken by the immune system that causes Multiple sclerosis? Do you have to go to the vet for a staph infection? Is nicotine in novocaine? What does too much meat? How many people died of polio in Jamaica? Can you get rid of your child? What year did teen pregnancy begin? How are rabies passed from person to person? What are two resources used to make shampoo? The best way to build a strong immune system is to what? What is the eating disorder when you eat a vast amount of food in a short time? Should pregnant women not have condensed milk? What areas of the heart does the antrioventricular valve prevent blood flow from? What is the similarities between mechanical and chemical digestion? What parts 5 of the human kidney do you see? What is the correct sequence of air flow through the respiratory system and which is powered by what? Why do we need internal respiration? Does using methamphetimines while wearing makeup cause any sickness? What abdominal region contains the right lobe of the liver? Can potassium lower down blood sugar level?