Bio 30 Nervous System Review - Lessons 1-5

Part of the PNS that controls conscious activities

• autonomic

• somatic

• sympathetic

• parasympathetic

The _____part of the autonomic nervous system is active during resting.

• sympathetic
• parasympathetic
• somatic
• peripheral

_____ neurons carry  messages away from the central nervous system.

• Motor
• Inter
• Sensory
• Flower

_____ neurons carry messages to the central nervous system

• Motor
• Inter
• Sensory
• Fun

Tags

NGSS.MS-LS1-8

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

• brain & spinal cord
• sensory neurons
• motor neurons
• sensory receptors

Chemicals in the neuron that help send messages

• dendrites
• neurotransmitters
• axon terminals
• vesicles

Myelinated fibers (tracts) form ________ matter while unmyelinated fibers form ________ matter. 

• sensory, motor
• gray, white
• motor, sensory
• white, gray

The major role of the interneuron is to ________.

• carry information from the central nervous system to muscles

• form a myelin sheath on the outside of axons

• transmit nerve impulses from the skin and organs to the central nervous system

• connect motor and sensory neurons in their pathways

At which point on the diagram does depolarization of the axon occur?

• A

• B

• C

• D

In resting potential, neurons have more _________ on the outside of the cell membrane.

• K+
• NaCl
• Na+
• Cl-