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 please tell me so i can check my answers (I will make another post and give you 50 points)