neurons and neurotransmitters

Question 1

What is a neuron?

Answer 1

Neurons are specialised cells that transmit chemical and electrical signals in the brain. They are the basic building blocks of the central nervous system.

Question 2

What are the 3 types of neurones?

Answer 2

Sensory neurones, motor neurones, and interneurones.

Question 3

What is a sensory neurone?

Answer 3

Neurones that are responsible for converting external stimuli from the environment into corresponding internal stimuli.

Question 4

What are motor neurones?

Answer 4

Neurones located in the central nervous system (CNS). They project their axons outside of the CNS to directly or indirectly control muscles.

Question 5

What are interneurones?

Answer 5

They act as the “middle men” between sensory and motor neurones.

Question 6

What are neurotransmitters?

Answer 6

They are often referred to as the body’s chemical messengers. They are molecules used by the nervous system to transmit messengers between neurones or from neurones to muscles.

Question 7

What are 3 types of neurotransmitters?

Answer 7

Dopamine, serotonin, adrenaline, gaba, endorphins, glutamate…