The two types of visual receptors located in the retina are and

a. rods . . cones
b. pupils . . corneas
c. foveas . . cones
d. rods . . pupils

Ijust want the meaning to life (no wrong or right answers i just want your true opinion)

True or false a fertilized cell divides many times to form an embryo

Life expectancy in the united states is (76.4 for men and 81.1 for women). life expectancy is not the same as healthy life expectancy. healthy life expectancy is the number of years a person is expected to live in this number is obtained by subtracting years spent in poor health from overall life expectancy. the world health organization (who) calculates healthy life expectancy in 194 countries. the united states ranks twenty-ninth in the world using this measurement, with an average of of healthy life expectancy. singapore ranks number one (76 years), and japan is number two (75 years).