B6 Brain and Mind

Question 1

What is a stimulus?

Answer 1

a change in an organism’s environment.

Question 2

What does CNS stand for?

Answer 2

Central nervous system

Question 3

What is the CNS made up of?

Answer 3

brain and spinal cord

Question 4

What is the CNS connected too?

Answer 4

PNS

Question 5

What does PNS stand for?

Answer 5

Peripheral nervous system

Question 6

What does the PNS consist of?

Answer 6

sesnsory neurons and motor neurons

Question 7

What is the purpose of sensory neurons?

Answer 7

they carry impulses from receptors to the CNS

Question 8

What is the purpose of motor neurons?

Answer 8

they carry impulses from the CNS to effectors.

Question 9

What are neurons?

Answer 9

specially adapted cells that carry an electrical signal when stimulates.

Question 10

Name two physical characteristics of a neuron and it’s purpose

Answer 10

1) “Elongated” to make connections between different parts of the body.
2) “Branched endings” so that a single neuron can act o many other neurons and effectors.