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Circulator y, Respirator y, and Excretor y Systems 349
AT P
alveolus
breathing
bronchus
external respiration
internal respiration
lung
trachea
Circulatory, Respiratory, and Excretory Systems
Section 34.2 Respiratory System
Skim Section 2 of the chapter. Read the headings and illustration
captions. Write three questions that come to mind.
1.
2.
3.
Use your book or dictionar y to define ATP.
Use your book or dictionar y to define each term.
New
Vocabulary
Main Idea Details
Review
Vocabulary