________ Colonoscopy allows the physician to see more of the large intestine than sigmoidoscopy

75 lbs = ________ kg

A) 150 B) 25 C) 34.09 D) 76.02

The ________, composed mostly of water, occupies about 80 percent of the eye's interior between the lens and retina

A) macula B) vitreous humor C) optic nerve D) choroid