Brain Nervous System Reflex Arc

The part of the neuron that insulates the axon and increases the speed of the neural message within the neuron.

• Synapse
• Dendrite
• Myelin Sheath
• Axon Terminal Button

This part of the neuron receives chemical messages from the neurotransmitters of other neurons. It is labeled A in the diagram.

• Dendrite

• Axon

• Axon Terminal

• Cell Body

The long, fiber like part of a neuron which the cell sends information to receiving neurons. Labelled D in diagram.

• Synapse

• Axon

• Axon Terminal

• Dendrite

The nervous system subdivision that is composed of the brain and spinal cord.

• Autonomic Nervous Sytem
• CNS
• PNS
• Somatic Nervous System

_____ neurons carry messages away from the central nervous system and out to muscles or glands. The RED neuron in diagram.

• sensory

• motor

• inter

• central

What is the central nervous system (CNS) made of?

• brain and spinal cord
• brain and cranial nerves
• spinal cord and spinal nerves
• cranial nerves and spinal nerves

What are the 2 major divisions of the peripheral nervous system (PNS)?

• Sensory & Motor
• Peripheral & Central
• Somatic & Autonomic
• Brain & Spinal Cord

Label the Neuron-What does the letter "C" represent?

• Dendrite
• Axon
• Axon Terminal
• Cell Body

Tags

NGSS.MS-LS1-2

Select two examples of effectors.

• Neuron

• Gland

• Muscle

• Receptor

Which type of neuron causes a muscle to contract in a reflex arc?

• Motor Neuron

• Sensory Neuron

• Interneuron

• Effector