Answer:
Insights.
Explanation:
So, from the question we can see some information that actually points to the answer. In the question Brandon, a child trying to get out from his bed encounters some problems. He tried many things like; "sticking his legs through the bars, hitting the bars with his arms, and butting them with his head" which means that he was experimenting things -- way out. At last, Brandon climbed over the top of the bar which means that after all his experience he was able to gain knowledge that he is too big to pass through the space between the bars but instead he has to climb over, so accurate! and that is an INSIGHT.
They are the most responsible for <span>manufacturing of protein</span>
