Detect the stimulus or change in environment.

Produces glucagon and insulin which are involved in regulating glucose levels in the blood.

Insulin injections, limiting intake of foods rich is simple carbohydrates e.g. sugars and regular exercise.

Near the hypothalamus, monitors the temperature of blood.

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Stimulus->Receptor->sensory neurone->CNS (relay neurone) -> motor neurone -> effector -> response

Hairs lie flat, sweat and blood vessels get wider(vasodilation)

Auxin moves to the lower side of the shoot and the root. This is caused by gravity. It cause the lower side of the shoot to grow faster so the shoot b...

Computers can give a more precise reaction time because they remove human error.Computers can record the reaction time to a millisecond so more accura...

There will be no auxin as auxin is found in the shoot. The plant will not grow.

People are unable to focus on FAR objects. This occurs when the lens is the wrong SHAPE and refracts the light too much. The image is brought into foc...

Muscles contract and glands secrete chemical substances(hormones).