<span>The darker an eye color the more melanin the eye has. The melanin concentration in the pigment of the iris cells acts as a way to protect the iris from higher sunlight by spreading the light out. So, in other words, the lighter someone's eyes are the more sensitive they are to light.</span>
No just be careful because somethings might not be the best
I think it would be kidneys because of the way the question is worded, kidneys are the only things you have 2 of that also is involved in the digestion of foods.
To aid the self-monitoring process I think because if you have the deadline you will make it a priority to get it done befor the deadline. you are making sure your getting it done befor the deadline