The answer is <span>4. usually short and branched
</span><span>A neuron consists of a cell body, dendrites, and axon. Usually there is only one axon surrounded by a myelin sheath andy many dendrites. Dendrites are short and branched (dendron is Greek word for tree). </span>The cell body connects dendrites and the axon and that way it takes part in communication between two neurons. <span>Axon carries impulse from the cell body, while dendrites carry impulses to the cell body.</span>
<span>Ethics are human's comfort and interest,it cannot protect the environment so it causes damages to the environment where people will be affected.Nowadays Ethics are implemented to meet the needs of the current generation but it will be dangerous to the future generation.So that environmental crisis demand a new ethics which want focus on economic and social development,protective and caring environment.</span>
Vertebrates, sexual reproduction, and fusion
The DNA is a double-stranded molecule that has a long chain of nucleotides. The RNA is a single-stranded molecule which has a shorter chain of nucleotides. DNA replicates on its own, it is self-replicating. RNA does not replicate on its own.
