Which structure would be unaffected by the peripheral 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.

How does secondary succession differ from primary succession?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million