Thrips can be a bit tricky to deal with, since some types are pests but others are beneficial, eating mites and small insects. Signs of harmful thrips on your peppers are speckled leaves, usually white, silver or brown, leaves that are deformed or seem gummy in texture, or blooms that never open.
The CNS is the main control center of the bodyâit takes in sensory information, organizes and synthesizes this input, then provides instructions for motor output to the rest of the body. The CNS is made up of the brain and spinal cord.
The autonomic system has two divisions. It consists of the sympathetic and parasympathetic nervous systems. The primary function of the sympathetic system is to stimulate your fight-or-flight response which is a physiological reaction that happens in response to a perceived harmful event, attack or threat to survival. The parasympathetic system enables you to maintain normal functions such as digesting and keeping the body at rest. The Structure of the Sympathetic Nervous System. Transmission of signals in the system is accomplished through a network of nerve cells called neurons.