What doesn't limit the range of moton from the things which you've mentioned would be age. Age per se doesn't really limit the range of motion - while there are factors which negatively influence our range of motion and which are strongly correlated with age, it is hard to say that age itself would be the cause of a limited range of motion.
They are apart of the brainstem
Answer:
Bradycardia
Explanation:
Bradycardia is a slower-than-normal heart rate, while all the other options include rapid or fast paced heart rates.
Yes it alters the levels of neurotransmitters
