Acidosis probably has something to do with acid in the blood, and the injection will probably balance out the acidosis.
Vacoule
Cell wall
Cytoplasm
The word that signifies "within the cell" which alludes to the signals moving from one place then onto the next inside the cell is the term "INTRACELLULAR".
Convection is heat transfer by mass motion of a fluid such as air or water when the heated fluid is caused to move away from the source of heat, carrying energy with it.