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Nucleic acid certain protein cell membranes certain carbohydrates

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line