In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Question: Brad wants to go to the gym less regularly, so that his muscles will get smaller. Another aspect of having smaller muscles means that Brad will likely be
Answer: weaker
Exercising muscles increases their size, and bigger muscles have greater strength.

Question: Jim is performing experiments in his lab. If he applies less heat to gas inside of a beaker, what happens to the gas particles?
Answer: move slower
If the gas is heated, the particles will move faster as they gain more energy.

Question: As Jimbo grows older and his body size gets bigger, what happens to his surface area to volume ratio?
Answer: gets smaller
Size restriction: The final body size is limited because as the body size increases, the surface area to volume ratio decreases.