215k views
4 votes
Abnormal levels of blank may lead to Alzheimer's disease.

User Xis
by
3.5k points

2 Answers

4 votes

Answer:

D. acetylcholine

Step-by-step explanation:

Edge2020

User Bghaak
by
3.7k points
3 votes

Answer:

acetylcholine

User Biomiker
by
4.7k points