Problem 2.1:
What molecule is at the center of respiration?
Problem 2.2:
What are the three main components of the respiratory pathway?
Problem 2.3:
What general role does oxygen play in respiration?
Problem 2.4:
Fill in the blanks. Respiration that involves oxygen is called __________
respiration while
respiration that does not involve oxygen is called __________ respiration.
