| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | ach molecule | Biology research culture | Key component in the process of communication between nerve cells in the human body | 1 |
| 2 | ach molecule | biology research community | ACh (acetylcholine) molecule is a key neurotransmitter in the nervous system, known for its role in muscle movement and cognitive functions. | 1 |