Based on these images, what can you say about the tentacles of an octopus and the limbs of a lizard?
a)they’re homologous structures.
b)they’re analogous structures.
c)they’re vestigial structures.
d)they’re neither homologous nor analogous structures.
e)they’re neither vestigial nor homologous structures.

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.