Answer:
anaerobic respiration takes place when you demand your muscles to do vigorous work. normally, aerobic respiration takes place but when energy is needed immediately, anaerobic respiration takes place. during anaerobic respiration,the body produces lactic acid, which leads to the burning sensation. your lungs deliver oxygen to the muscles much slower than the rate you need, since you're putting your muscles through an extensive exercise, and this leads to muscle fatigue.
Sounds like the puppy has round worm, if that's the type of answer your looking for..
Interphase is important for cell division because it allows the cell to grow, replicate its DNA, and make final preparations for cell division.
Aquatic environments, mainly the sea.