*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)?

*Fetal hemoglobin has a________ ability to hold on to oxygen than regular adult hemoglobin?

*Internal respiration is:

*When do the external intercostal muscles contract (during which phase of pulmonary ventilation)?

*Name and define E.

*Which are chemical barriers to microbial growth found in the blood and interstitial fluid?

*The thymus

*During inhalation, air passes from the trachea into the right or left _____________.

*What is the epiglottis for?