2.2.1-2.2.5 neurons, action potentials & the synapse

What are Neurons?

• The Functional unit of the nervous system.

• Units that constitute the brain tissue.

• Blocks of tissue that constitute the endocrine system.

• Blocks or tissues that constitute the organs of the body system.

What is the function of the nerve cells?

• They are responsible for your defense.

• They transmit signals or messages to other neurons, organs or glands.

• They transmit substances to your endocrine system to produce hormones.

What is the name of the part of the neuron that is pointed out in the image?

• Cell Body (Soma)

• Axon

• Myelin Sheath

• Dendrites

Tags

NGSS.MS-LS1-2

What is the name of the part of the neuron that is pointed out in the image?

• Myelin Sheath

• Cell Body (Soma)

• Dendrites

• Axon

The protective fatty tissue that speeds up the transmission of messages is a(n):

• Myelin Sheath

• Axon

• Dendrite

• Soma

The extensions that transmit electrical impulses from the cell body to other cells is called the

• Myelin Sheath

• Soma

• Dendrite

• Axon

The extensions that receive the messages from other cells are:

• Myelin Sheats

• Axon

• Dendrites

• Soma

What type of neuron is represented in the image?

• Motor Neuron

• Interneuron

• Sensory Neuron

Type of neuron that carries information about your environment.

• Motor Neuron

• Interneuron

• Sensory Neuron

Type of neuron located only in the brain and spinal cord that passes impulses from one neuron to another.

• Motor Neuron

• Interneuron

• Sensory Neuron