Which is involved in red blood cell reproduction

When water freezes, it . contracts expands

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

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.