The basis for physical fitness is having a good eating habit, which means to know what you are eating and to eat cleanly. Exercise at least an hour every day and drink plenty of water throughout the day.
Hi!☺
I think your answer is going to be B, <span>Nutrients that help the body use proteins, carbohydrates, and fats.
~Elisabeth</span>
Answer: The automatic response to tensing your muscles after you hear the sound of the clanking the rollercoaster makes is an example of the phrase pavlov's dogs, which can refer to classical conditioning because it refers to the habit of automatic response to a stimulus.