SHORT ANSWERS PLEASE!
Describe the process of respiratory/gas exchange and where it occurs. (use this kind of chart to answer _____ -______-_______)
Describe brain stem control of breathing, using chemoreceptors. ( _____ -______-_______)
Describe how the epithelial tissue varies in different parts of the gastrointestinal tract (from mouth to anus and in between) and how that helps the particular part do its job.