Answer:b)lubricating surfaces
Explanation:took it on edge hope this helped
A neuron is a specialized cell, found in the brain, spinal cord and the peripheral nerves known as the nerve cell. The structure of a neuron varies with their shape and size and it mainly depends upon their functions
<h3>what is the structure of neuron ?</h3>
Dendrites which is A branch-like structure that functions by receiving messages from other neurons and allow the transmission
Cell Body has a cell body with a nucleus, Golgi apparatus, endoplasmic reticulum, mitochondria and other components.
Axon is a tube-like structure that functions by carrying an electrical impulse from the cell body to the axon terminals
Synapse functions by permitting the entry of a neuron to move an electrical or chemical signal from one neuron to another neuron.
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Answer:
vestigial structures are considered evidence because scientists believe they are structures that were once used by a species ancestors but are not longer needed. these structures do not impair the organism in any way, so there is no need for evolution to get rid of them. for example, the human appendix is considered a vestigial structure.
Explanation:
:D
Answer:
eubacteria and archaebacteria
