Where are the ganglia of the parasympathetic nervous system located?

Figure 11 shows a section of long bone where growth in length is occurring during infancy and youth. The type of growth occurring in this figure is called:

Some smooth muscle has the ability to contract spontaneously-that is, it contracts without any external stimulation. An explanation for this ability is

Which of the following should NOT cross the blood-brain barrier with ease?

An injury to the spinal cord is not possible below the:

On Figure 6 showing a neuron impulse, choose the labeled portion (LETTER) of the graph that refers to the rapid influx of Na+ ions.

The structural type of neuron shown in Figure 10 is:

Afton, a teacher for the past 25 years, spent Saturday and Sunday skiing in very cold weather. The following Friday, she got up to get ready for school and was shocked to find that the right side of her face was drooping. She went to the emergency room, where tests could find no evidence of a stroke or a tumor. What is the most likely diagnosis?

This neurotransmitter is an amino acid and is a major excitatory neurotransmitter within the brain. It has been associated with learning and memory.

Figure 15 shows a visceral reflex arc. Which letter label is pointing to the visceral sensory neuron?