The answer is D. All of the above
Answer:
See the answer below
Explanation:
The sympathetic and sympathetic nervous systems make up the autonomic nervous system, regulating involuntary functions. The first acts in situations of fight or flight, for example in an accident of self-actions such as: increased heart rate, pupil dilation, relaxes airways, among others. Neurotransmitters are released: adrenaline and norepinephrine. The parasympathetic system performs antagonistic functions by activating in relaxation situations: it decreases heart rate, contracts pupils, constricts airways. Acetylcholine is released as a neurotransmitter.
- - The Sun keeps all of the planets orbiting it because of its large captivity.
ღ So in other words, it keeps orbiting due to its largest and the amount of gravity it is concealing.
