explore_wealth on Instagram: "•It is fascinating to watch someone control their pupils, but what looks like a "magic trick" is actually a sophisticated biological response. Here is the detailed breakdown of the science behind how this happens: The Biology of Pupil Control •The pupil is essentially a hole in the center of the iris that regulates how much light enters the eye. This movement is controlled by two sets of smooth muscles in the iris: the sphincter pupillae (which constricts the pupil)

𝗜𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 on Instagram: "It’s almost impossible for humans to consciously control the size of their pupils. Normally, pupil movement is automatic — handled by the autonomic nervous system in response to light, emotions, or focus changes. Only a tiny number of people have ever shown the ability to influence their pupil size voluntarily, often by imagining darkness or light, or shifting their internal state through deep focus. Even then, the control is very limite

State two functions of the pupil in the human eye.... | Filo

Pupil

Explain the Functions of the Following Parts of the Eye: (I) Cornea (Ii) Iris (Iii) Pupil (Iv) Ciliary Muscles (V) Eye-lens - Science | Shaalaa.com