*Which antibody class is involved in allergic responses:

*How many primary bronchi are there?

*What do activated (effector) B-cells do?

*Lymph fluid from the right arm goes into the ____ (name the lymphatic vessels) last, before entering the plasma.

Case study related question: *Which were treatments that were successful?

*What structure coordinates inhalation and exhalation by initiating exhalation (which part of the brain)?

*Macrophages in the alveoli function to:

*How many secondary bronchi are there on the right side?

*A person with a  vital capacity of 3500 mL , a tidal volume of 500 mL and a residual volume of 1500 mL, has a total lung capacity of:

*Which is a normal respiratory rate per minute for an adult (at rest)?