A& Nervous System Organization & Tissues

What is the main function of the nervous system?

• Digestion

• Respiration

• Coordination of body activities

• Circulation

The central nervous system consists of the brain and ________.

• Heart

• Lungs

• Spinal Cord

• Liver

Which division is responsible for voluntary muscle control?

• Autonomic Nervous System

• Somatic Nervous System

• Sympathetic Division

• Parasympathetic Division

What does the response function of the nervous system activate?

• Sensory organs

• Muscles or glands

• Brain cells

• None of the above

Sensory input is received from which nervous system?

• Central

• Peripheral

• Autonomic

• Somatic

The axon of a neuron is covered by the ______ to increase the speed of nerve impulse transmission.

• Dendrite

• Myelin sheath

• Nucleus

• Synapse

At the end of the axons are ______, which release neurotransmitters.

• Dendrites

• Nucleus

• Axon terminals

• Synapse

What is the role of axon terminals in a neuron?

• A) Bring impulses towards the cell body

• B) Send impulses away from the cell body

• C) Release neurotransmitters

• D) Connect to dendrites.

What is the primary function of dendrites?

• Send impulses away from the cell body

• Bring impulses towards the cell body

• Release neurotransmitters

• Connect to axon terminals.

The diagram shows that axon terminals release ______ to pass impulses to the next neuron.

• Dendrites

• Neurotransmitters

• Nucleus

• Axon