You should use socratic !!
The CNS involves the brain and spinal cord and the PNS involves the body nerves.
Answer:
what element is all life based on
Explanation:
the element is element carbon
<span>The answer is letter B. The formation of the three geminal layers and the primitive gut. The formation of gastrula starts when the cells starts folding in blastula slowly forming into a blastopore, that results to a double layer cup cell, forming the geminal layers and the primitive gut </span>
