Describe how the skin and mucous membranes play an integral role in helping the body protect itself against infection.

Explain why the immune system does not attack the body’s own molecules and cells.

Explain how the body’s first line of defense protects us from potentially harmful organisms.

AHS 131 - Skeletal System - Bone Composition, Structures, Bone Names and their parts. These are the structures and names that you will need to know for your AHS 131 Bone Lab Exam. Please review and rewrite the names in the space below. When appropriate include the function of the structure. Axial Skeleton Skull Facial Bones Мaxillae Anterior Nasal Spine Alveolar Processes Infraorbital Foramen Hard Palate Maxillary Sinus Palantine Nasal Inferior Nasal Conchae Zygomatic Temporal Process Lacrimal Vomer Mandible Body Ramus Angle Condylar Process Head - TMJ (Temporomandibular Joint) Coronoid Process Alveolar Processes Mental Protuberance Mental Foramen Mandibular Foramen

How do the skin, gastrointestinal tract, and respiratory system provide defenses against invading pathogens?

What kinds of infections usually result in the production of interferon?

Identify the specific type of immune cell(s) within each of these structures: (a) connective tissue, (b) skin, (c) organs, and (d) secondary lymphatic organs.

Explain the characteristics of bacteria and virus that make them pathogens. Explain how pathogens can be transmitted from person to person. [AC 2.1,2.4 ] with references Q2.The human body has a tiered system of defences to fight against pathogens. Explain the body’s first line of defence and how it prevents pathogens from entering the body.

What type of defense is occurring when mucin flows off the epithelium and carries pathogens with it?  (mucin provides several types of defense, answer according to this description)   physical     chemical     nonspecific cell mediated     mechanical