I believe it is carbon dioxide.
Explanation:
You haven't show the exercise so how could we answer of it ?
Development of modern surgery,first vaccination,and stethoscopes.
<u>Answer:</u>
The second neuron's axons extend to the autonomic effector from the ganglion.
<u>Explanation:</u>
- The second neuron’s axons are also called as the postganglionic neuron. In the autonomic nervous system the neurons have only one axon.
- Instead of having the multiple axons, the neuron itself branches so there are many neurons with one axon each.
- The second neuron has the "cell body in the autonomic ganglion" and its axon has the position that starts from the ganglion and extends straight up to the autonomic effector.
pandemic is used to describe a disease that affects the whole country or the entire world. while epidemic is used to describe any problem that was grown out of control.