Pre AP Biology Circulatory and Immune Systems (8.11)
Gastrovascular Cavity
Open Circulatory (left) & Closed Circulatory (right)
Heart Structure Atrium – receives blood Ventricles – pump blood out
Water Vascular System
Blood Vessel Types
Where is the blood?
Blood Cell Types
Antibodies attaching to the antigen Antigen- binding sites Epitopes (antigenic determinants) Antibody A Antibody B Antibody C Antigen
WBC “eating” a pathogen
Innate Immunity
Plant defenses - Thorns
Plant defenses - cork