Search for tag: "pathogens"

10:11 Ch 22 I - Conducting Zone Pt 1 Ch 22 I - Conducting Zone Pt 1	Ch 22 I - Conducting Zone Pt 1 Ch 22 objectives 1-4. mucus body mucosa cavity air blood respiration zone rest oxygen epithelium nose pathogens lungs dioxide carbon sinus sinuses things anatomy From Ashlee Tietje 3 plays 0
29:08 Ch 21 I - Innate Immune Response Ch 21 I - Innate Immune Response	Ch 21 I - Innate Immune Response Covers Ch 20 and 21 objectives 12-17. cells things proteins blood inflammation process response tissue macrophages body surface defense pathway bacteria chemicals cell injury pathogens phagocytes leukocytes From Ashlee Tietje 0 plays 0