The present is the key to the pats because what you have done in the past is what has now brought you to where you are now, it was the stepping stones
The central nervous system is made up of the brain and spinal cord.
The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
The nervous system comprises the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, consisting of the cranial, spinal, and peripheral nerves, together with their motor and sensory endings.
Hydra is a genus of small, fresh-water animals of the phylum Cnidaria
and class Hydrozoa. They are native to the temperate and tropical
regions.
Hope this helps!!!!
-Bekks
Answer: The branch of biology and medicine concerned with the study of embryos and their development.
Explanation:
Reword that and mark me brainliest