Chapter 12

1. insects exoskeleton is composed of this
4. originate from monocytes
6. circulate within hemolymph and carry out phagocytosis
7. involved in allergic and anti-helminth responses
8. cells with long arms
9. signals protein molecules that modulate the immune response and promote blood flow to the site of injury
11. an immunity that includes barrier defenses and internal defenses
12. found on innate cells
14. enzyme that breaks down bacterial cell walls
15. vertebrates have a circulatory system with blood and...

2. provide innate defense, interfering with viruses and helping activate macrophages
3. agents that cause disease, infect a wide range of animals, including humans
4. traps and allows for the removal of microbes
5. the ingestion and breakdown of foreign substances including bacteria
10. have segmental nucleus and are the first responders to infection
13. found on potential pathogens