Pupil reflex

In our Biology class I looked up for a video explaning the Pupil Reflex action and we did some activities that are in Male’s blog. I worked with Nico Monguzzi.

 

6)  Stimulus – Receptor – (Sensory Neurone) – Cordination – (Motor Neurone) – Effector

Bright light – cones in the retina – brain – muscles in the iris. Effect= the circular muscle in the iris contracts and the radial muscle relaxes. Response= Pupil becomes smaller.

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