Immunology

3. made of a variety of proteins that, when inactive, circulate in the blood. When activated, these proteins come together to initiate a cascade
5. can be entire pathogens, like bacteria, viruses, fungi, and parasites, or smaller proteins that pathogens express
7. found in mucous membranes and connective tissues, and are important for wound healing and defense against pathogens via the inflammatory response
10. antigen-presenting cells that are located in tissues, and can contact external environments through the skin, the inner mucosal lining of the nose, lungs, stomach, and intestines

1. Which portion of an antibody provides antigen-binding sites
2. molecules that are used for cell signaling, or cell-to-cell communication
3. uses cytokines and chemokines to attract macrophages and neutrophils to the site of infection, ensuring that pathogens in the area will be destroyed
4. Monocytes move from the systemic circulatory system into general connective tissues, where they differentiate into what phagocytic cell type
6. Effector B cells are also called as?
8. defined by a platelet count below platelets per microliter
9. Humoral immunity is a type of adaptive immunity that results in the circulation of which of the following throughout the blood