A virus such as influenza is only one type of pathogen that caninvade the human body and cause disease. Different pathogensinteract with different components of the immune system indifferent ways.
(a) Describe the role of skin and mucosae as surface barriersand the mechanisms that enable these anatomical structures toprevent infections.
(b) Discuss three examples of how the lymphatic and immunesystems work together both structurally and functionally to fightinfections such as influenza.
