Chapter 10: The Brain’s Messenger
I help neurons communicate using electrical & chemical signals. Who am I?
| Hormone | |
| Enzyme | |
| Neurotransmitter | |
| Antibody |
Poll ends at .
Chapter 10: The Brain’s Messenger
I help neurons communicate using electrical & chemical signals. Who am I?
| Hormone | |
| Enzyme | |
| Neurotransmitter | |
| Antibody |