Topic 1- How does our body communicate with us?

Question 1

Describe the structure and function of the nervous system.

Answer 1

Structure: Made up of the brain and spinal cord, the CNS processes information and decides how the body should respond.

Function:Consisting of nerves that extend throughout the body, the PNS carries messages to and from the CNS to the rest of the body.

Question 2

Explain how the nervous system helps maintain homeostasis

Answer 2

Homeostasis is closely linked to the nervous system because it helps keep the body’s internal environment stable

Question 3

Define stimulus and response

Answer 3

A response is a reaction to a stimulus. A stimulus is something that causes a living thing to respond or react.

Question 4

Outline the stimulus-response pathway

Answer 4

Stimulus response works through pathways such as detection, Processing and Response.

Question 5

What is the stimulus response detection.

Answer 5

Sensory organs like the eyes, ears, skin and etc detect changes in the environment, such as temperature, light, or sound.

Question 6

What is stimulus response processing.

Answer 6

These sensory signals are sent to the brain through nerves. The brain interprets the signals and decides on the necessary response.

Question 7

What is stimulus response

Answer 7

The brain sends signals back through the nerves to the appropriate body parts to take action.