The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils. Hope this helps.
Answer:
Alcohol can/will affect the lungs,and brain. And they can die.
Explanation:
Tell the child that he should experience little to no pain and if he does start to experience it, then to tell his guardian/doctor.
