Answer: The person who has Alzheimer's disease shows excessive amount of amyloid plaques and tangled bundles of fibers.
Explanation:
The symptoms of the Alzheimer's disease shows many symptoms which includes memory loss, language problem and many other unpredictable behaviors.
The presence of tangles and plaques in the brain are reason of Alzheimer's. The loss of connection between the nerve cells shows many symptoms like abnormal behavior, loss of memory et cetera.