1. What would happen to the blood glucose level if diabetic gave herself an injection but did not eat or accidentally too much insulin?
2. Our eyes have two types of imaging sensors, cones and rods. Cones detect color and rods detect value (levels of lightness and darkness). Cones came later than rods in the human eye's evolutionarily development. Some animal eyes haven't evolved to that point (which is why deer don't break out laughing