Answer:
The third carbon from pyruvic acid is given off as a molecule of carbon dioxide that is eventually exhaled by the lungs.
Step-by-step explanation:
The third carbon from pyruvic acid combines with oxygen to form carbon dioxide, which is released in the process of respiration, the electrons with high-energy are also released and captured in NADH in the cellular process of respiration.
Hope this Helps!
Have a Wonderful Day!