Answer:
3) Oxygen Deficit
Explanation:
When we have less oxygen in our tissues, such as during extended rigorous exercise, lactic acid is produced (the burning that we feel in our muscles).
3. Oxygen Deficit
Lactic acid is used to produce energy for the body when one isn't able to breathe in enough oxygen to supply movement.
The answer is Nitrogen
Physical education, also known as Phys Ed., PE, gym, or gym class, and in some Commonwealth countries as physical training or PT, is a class that pupils are required to take at school.
Cognitive Dissonance