Nervous System

Which part of the nervous system controls and coordinates all body functions?

• Spinal cord

• Brain

• Peripheral nerves

• Heart

What is the role of the spinal cord in the nervous system?

• To produce hormones

• To relay information to and from the brain

• To digest food

• To pump blood

What is the primary component of nervous tissue?

• Muscle cells

• Bone cells

• Nerve cells

• Blood cells

What is the function of dendrites in a neuron?

• To transmit signals to other cells

• To receive signals or stimuli

• To insulate the axon

• To produce energy

What is the largest part of a neuron?

• Axon

• Dendrites

• Cell body

• Myelin sheath

What is the main function of the axon terminals?

• To receive signals

• To transmit signals to other cells

• To insulate the axon

• To produce energy

Where are neurotransmitters packaged?

• In vesicles

• In axons

• In dendrites

• In the brain stem

What is the role of neurotransmitters in muscle contraction?

• They cause a muscle to contract

• They relax the muscle

• They have no effect

• They strengthen the muscle

What connects the two hemispheres of the cerebrum?

• Medulla oblongata

• Cerebellum

• Corpus callosum

• Thalamus

Which part of the brain coordinates intelligence, learning, and judgment?

• Cerebellum

• Brain Stem

• Cerebrum

• Spinal Cord