12.1 Coordination and Response

Ability to detect changes in the environments and respond to these changes

• Sensitivity

• Stimulus

• Response

• Coordination

The way organisms react after detecting a stimulus

• Sensitivity

• Stimulus

• Response

• Coordination

The change that stimulates the response

• Sensitivity

• Stimulus

• Response

• Coordination

A stimuli detection process by receptors that ends in appropriate responses by effectors

• Sensitivity

• Stimulus

• Response

• Coordination

Examples of external stimulus

• blood osmotic pressure

• body temperature

• light

• surrounding temperature

Examples of internal stimulus

• pressure

• touch

• blood sugar level

• water level

Draw the correct pathway involved in response

Examples of effectors

• muscles

• glands

• neurones

• receptor

Role of coordination and response is conducted by two systems: nervous system and _____ system

Found at the end of the nerve fibres which detects information in the external and internal environments