Nervous system

Question 1

What is the nervous system composed of?

Answer 1

CNS and PNS

Question 2

What is the CNS composed of?

Answer 2

Brain and spinal cord

Question 3

What is the PNS composed of?

Answer 3

Nerves and sensory organs

Question 4

What makes up the spinal cord?

Answer 4

A bundle of neurons

Question 5

What 2 things does nervous tissue consist of?

Answer 5

1. Neurolgia
2. Neurons aka nerve cells

Question 6

Cells that surround and help maintain neurons

Answer 6

Neurolgia

Question 7

Cells that transmit electrochemical signals to the body

Answer 7

Neurons

Question 8

What 2 things are neurons composed of and what are they?

Answer 8

1. Fascicles - bundles of axons
2. Perineurium - connective tissue surrounding fascicles

Question 9

What are the 3 types of neurons?

Answer 9

1. afferent
2. efferent
3. interneurons

Question 10

Neurons that send sensory signals to the CNS

Answer 10

Afferent

Question 11

Neurons that send signals from the CNS to muscular system

Answer 11

Efferent

Question 12

Neurons that form the network that transmits info from Afferent to Efferent neurons

Answer 12

Interneurons

Question 13

Junctions allowing neurons to interact with other neurons

Answer 13

Synapses

Question 14

What are the 2 types of synapses?

Answer 14

1. chemical
2. electrical

Question 15

What type of synapse causes neurotransmitters to release chemicals which stimulates actions in other cells?

Answer 15

Chemical

Question 16

What type of synapse connects 2 neurons together and allows them to pass an electric current from 1 to the other?

Answer 16

Electrical