I'm guessing Liver.
If it was in the stomach, we wouldn't get belly aches. If it were in the large intestine, we wouldn't poop. So that's my guess.
Step 1: glucose is broken down into 2 molecules of pyruvate
Step 2: Completes breakdown of carbon dioxide, makes small amounts of ATP, provides electrons
Step 3: electron transport chain, chemiosmosis; energy from electrons-- produces 32 ATP
Answer:
B. the hormone must enter the cell
Alveoli are found in lungs and exchamge O2 and Co2 !!
so answer is last one !!
Multiply by the power of the eyepiece, usually 10x.