Mina Uses the Breathe System to Check His Posture and Make

question 15

Short Answer

Mina uses the Breathe System to check his posture and make sure he is paying attention in class.

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Definitions:

Light Intensity

The strength or amount of light per unit area, which affects how brightly a light source appears and how well we can see objects illuminated by it.

Pupil

A part of the eye located in the center of the iris that controls the amount of light entering the eye.

Iris

The pigment-rich section of the eye responsible for regulating pupil size and, therefore, the quantity of light entering the eye.

Controlled

Pertains to experimental conditions that are manipulated or regulated by the researcher to isolate cause and effect relationships.