Problem:OPTIONS:
- rays
- ultraviolet
- particles
- corona

Q: What is the outermost part of the sun's atmosphere called? A:
****
A: corona

Q: What do we call the region on the lung root formed by the entrance of the nerves at the hilum? A:
OPTIONS:
- renal plexus
- heart plexus
- brain plexus
- pulmonary plexus
pulmonary plexus

Q: What is the health-threatening smoke exhaled by a cigarette smoker or released from tobacco products? A:
OPTIONS:
- secondary smoke
- contamination smoke
- primary smoke
- secondhand smoke

Answer: secondhand smoke

Question: Q: Landslides and mudslides are the most destructive types of what geologic phenomenon? A:
OPTIONS:
- land momentum
- formation movement
- intensity movement
- mass movement
Answer: mass movement

input with options: Q: What scientist constructed a tree diagram, separating living organisms into three domains? A:
OPTIONS:
- Gibbs
- CT Fletcher
- Mendel
- carl woese
output: carl woese

Problem: OPTIONS:
- cardiovascular system
- respiratory system
- muscular system
- nervous system
Q: Q: The axon terminates on muscle fibers at the neuromuscular junction. acetylcholine is released at this specialized synapse, which causes the muscle action potential to begin, following a large potential known as an end plate potential. when the lower motor neuron excites the muscle fiber, it contracts. all of this occurs in a fraction of a second, but this story is the basis of how this functions? A:
Answer:
nervous system