Parkinson's disease is a deficiency of the neurotransmitter dopamine. Dopamine is responsible for how the brain deals with stress, especially the fight-or-flight response. Thus, it affects greatly on the movements of the body. Also, dopamine is responsible for information processing. That is why people with Parkinson's disease have trouble in retaining their memories or be in deep concentration.
C. infections in uncovered tissues
Answer:
There are many answers to that.
Explanation:
1. Might not have stretched or did not stretch correctly
2. Did not follow instuctions like they should have
3. Fell and tripped
4. Was careless while playing and did not pay attention
Hope this helps :D
100% healthy no nun cuz but ur welcome