when blood pressure increase the arterioles dilate (become smaller) so that cells can absorb the oxygen from the blood easily. perfusion will be altered or slowed down. (The perfusion is the passage of fluid through the circulatory system. )
Parasympathetic ganglion are described as small terminal ganglia found within or near the organs they supply with nerves. they are also the autonomic ganglia of the parasympathetic nervous system.
