POP QUIZSpecial Edition

READY

Explain the transmission of nerve impulses from one neuron to another neuron.

(6 marks)

Differences between the nervous and the endocrine systems

Types of message

Characteristics

TransportSpeed of

transmissionArea of response

Body processesinvolved

Nature of the response

Duration of effect

Endocrine SystemNervous SystemNervous System

Time’s up

ANSWER

Explain the transmission of nerve impulses from one neuron to another neuron.

(6 marks)

Differences between the nervous and the endocrine systems

Types of message

Characteristics

TransportSpeed of

transmissionArea of response

Body processesinvolved

Nature of the response

Duration of effect

Endocrine SystemNervous SystemNervous SystemElectrical signals(nerve impulses)

Via neurones

Rapid

Specific locations

Causes muscles to contract

Temporary

•Controls both voluntary and involuntary actions

Chemical signals(hormones)

Via the bloodstream

Slow Various destinations (to the target cells)

Causes changes in the metabolic activity

Long-lasting

•Growth, reproduction, development •Control involuntary actions