What are the 2 ways in which bacteria can make us ill? (Marks available: 2) Answer Answer outline and marking scheme for question: 1 (i) Damaging our cells; (ii) Producing poisonous toxins. (Total = 2 marks) What are the 5 main areas in which invaders try to enter our bodies?
(Marks available: 5) Answer Answer outline and marking scheme for question: 2 Skin; Eye; Respiratory system; Reproductive system; Digestive system. (Total = 5 marks) What are the 3 different ways the immune system can act?
(Marks available: 3) Answer Answer outline and marking scheme for question: 3 Consume the invaders Produce antibodies Produce antitoxins (Total = 3 marks)