Sorting of the teams and fitting then in the fixtures so that the stronger teams do not meet each other in early rounds is called what

Can someone check my answer 1.) at approximately what age does nerve conduction achieve maximum capacity? a. 5 (my guess) b. 10 c. 20 d. 30 2.) insulin is to glucagon as a. wet is to dry (my guess) b. walking is to running c. morning is to afternoon d. a key is to lock 8.) a neuron fiber that sends a signal from your hand to your brain is called a a. axon b. cell body c. mitochondrion d. dendrite (my guess) will give brainliest i'm deciding between two with each question, so if you could be original i would appreciate it. also, if you know the rest tell me so i can check my answers (i will make another post and give you 50 points)