Minimum of 6-7 sentences each. The more detailed, thorough, and well formulated, 1. (Chapter 13) Describe the process of antibody production by B-cells. How does activation occur? How is this more efficient the next time B-cells encounter this antigen? Be sure to include the following terms: B-cell, B-cell receptor, plasma cell, memory B-cell, antigen, and primary and secondary immune response.

2. (Chapter 12) Describe the pathway of blood as it moves through BOTH the systemic and pulmonary circuit. Be sure to include the following terms: right ventricle, left ventricle, right atrium, left atrium, aorta, semi-lunar valves, atrioventricular valves, vena cava, veins, arteries and capillaries.

3. (Chapter 15) Describe the process inhalation. Be sure to include the following respiratory organs: nose, pharynx, trachea, bronchi, bronchioles, alveoli, pulmonary capillaries, pulmonary veins, and pulmonary arteries.