I don't know, is your dog okay?
Maybe your dog senses that you can smell again and wanted to see for himself :O
Otherwise how did you lose your sense of smell?
If your dog is okay, then give he/she food because maybe they think it is food. Or the other option to to pay more attention because dogs might do that for more attention (play with them more)
Answer:
B- Are constantly replacing themselves,
Explanation:
In order for a fitness program to be fully effective, exercises that address all fitness components - cardio endurance, resistance training, and flexibility - must be incorporated on a regular basis. Focusing on just one of these components will hurt performance in other areas