Describe the main difference between drug act on sympathetic nervous system versus those acting on parasympathetic nervous system

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.

Ecology can best be described as the study of what

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii