What are the three principal functions of the nervous system?

• Integration, digestion, and motor output

• Sensory input, integration, and digestion

• Sensory input, digestion, and motor output

• Sensory input, integration, and motor output

Which part of the nervous system is responsible for communication between the brain and the rest of the body?

• Central nervous system

• Peripheral nervous system

• Endocrine system

• Digestive system

What is the role of the sympathetic division of the autonomic nervous system?

• Regulating digestion

• Controlling voluntary muscle movement

• Mobilizing the body into action

• Relaxing the body

Which type of glial cell is found in the central nervous system and anchors neurons to their blood supply?

• Schwann cells

• Microglial cells

• Ependymal cells

• Astrocytes

What is the main function of neurons in the nervous system?

• To provide structural support

• To transmit signals

• To produce myelin

• To secrete cerebrospinal fluid