SC220: Nervous System, Endocrine System and Feedback Loop

What is the main function of the nervous system?

• deliver food and oxygen, and pick up waste

• absorb nutrients for energy

• communicate with other systems via nerve impulses and neurotransmitters

• communicate with other systems via hormones

What does the central nervous system (CNS) consist of?

• brain and spinal cord

• the brain and all nerves in the body

• spinal cord only

• brain only

What parts compose the peripheral nervous system?

• The brain

• The spinal cord

• The nerves that connect the CNS to all parts of the body.

• All of the above.

What type of cell is found in the nervous system?

• Dendrite

• Neuron

• spinal cell

• brain cell

The _______________________ is defined as the processing and control center of your nervous system.

• spinal cord

• brain

• peripheral nerves

• cerebellum

The part of the neuron that uses electrical impulses to send the message very fast is the

• Axon

• Dendrite

• neurotransmitter

• Cell Body

The part of the neuron that receives signals through neurotransmitters, is the

• Axon

• Dendrite

• Axon Terminal

• Cell Body

_________________ are neurons that send signals from the brain to skeletal muscle, organs, or glands

• sensory neurons

• motor neurons

• spinal cord

• interneurons

If your finger touches something sharp, the message is sent to your brain through a

• motor neuron

• sensory neuron

• axon

• interneuron

Neurons communicate with each other

• by touching each other

• by releasing a neurotransmitter

• by sending an electrical charge to the next neuron

• by releasing a hormone