You get tired when you run because our leg muscles don't get enough oxygen anymore.
Answer:
As you get older, the amount of fat below the skin decreases, therefore making it harder to stay warm, or control your body temperature.
Chewing is also know as Mastication. Therefore, D is your answer. Hope I was able to help!
It would have been easier if there were some options to choose from. As there are no options given in the question, so i am answering the question based on my research. A student sets a goal to improve academic performance and the greater sense of accomplishment represents a subjective measurement of the progress towards that goal.
