Neurons

Sensory nerve cells act as the decision-making cells to sum up all signals for certain stimuli.

• true

• false

• maybe

• can't tell

Tags

NGSS.MS-LS1-8

The neurons that formed the spinal cord and brain are

• a. sensory neurons

• b. motor

• c. interneurons

• d. rotator neurons

Sensory neuron of the peripheral nervous system take nerve impulses from sensory receptors to the ________ .

• a. motor neurons

• b. interneurons

• c. autonomic nervous system

• d. central nervous system

Tags

NGSS.MS-LS1-8

An interneuron has _____________.

• a. long dendrites and a short axon

• b. long dendrites and a long axon

• c. short dendrites and a long axon

• d. short dendrites & a long or short axon

The neurons that interpret and receive information and stimulate motor neurons are

• a. sensory neurons

• b. motor

• c. interneurons

• d. rotator neurons

The junction between two communicating neurons

• a. synapse

• b. neuromuscular junction

• c. dendrite

• d. axon

Chemical messengers that move across the synapse

• a. vesicles

• b. sodium

• c. potassium

• d. neurotransmitters

The cells life support center

• a. dendrites

• b. cell body

• c. axon

• d. myelin sheath

The basic structural unit of the nervous system:

• nerve

• neuron

• brain

• spinal cord

A single fiber in the neuron that carries impulses away from the cell body:

• axon

• dendrite

• myelin sheath

• nucleus