Answer:
The answer is a.) Transform Boundary.
<h3><u>Answer;</u></h3>
Nodes of Ranvier
<h3><u>Explanation;</u></h3>
- Nodes of Ranvier are the spaces between the myelin coating on the neuron's axon.
- Nodes of Ranvier have space exposed to conduct electricity with the environment to propagate the signal down the axon.
- At the nodes of Ranvier, electricity can be conducted within the cell's environment, and the electrical signal will be propagated down the axon.
The answer would be pituitary gland.
Completed sentence: Growth hormone is secreted by the pituitary gland while we sleep.