neuronal communication

Question 1

what is an Effector

Answer 1

it is an organ that becomes active in response to a nerve impulse

Question 2

some key features of a motor neurone

Answer 2

the cell body is at one end of the cell
the cell body has dendrites
the impulse travels away from the CNS to an effector

Question 3

some key features of a sensory neurone

Answer 3

the cell body is not at the end of the cell
the cell body does not have dendrites
the impulse travels towards the CNS from a sensory receptor

Question 4

what is a Transducer

Answer 4

something that changes one form of energy to another

Question 5

photoreceptors detect

Answer 5

light

Question 6

chemoreceptors detect

Answer 6

chemicals

Question 7

mechanoreceptors detect

Answer 7

mechanical strain or stretching ( the ear detects sound by this method; there is no specific receptor for sound

Question 8

proprioceptors detect

Answer 8

body position

Question 9

baroreceptors detect

Answer 9

blood pressure

Question 10

define electrical potential

Answer 10

A form of potential energy resulting from behaviour of charged particles; such as their unequal distribution across a membrane.