A procedure used to detect genetic abnormalities in a fetus by extracting fetal cells from the amniotic fluid is called

The cochlea is responsible for

A) protecting the surface of the eye B) transmitting vibrations received by the eardrum to the hammer, anvil, and stirrup C) transforming vibrations into neural signals. D) coordinating impulses from the rods and cones in the retina E) Sending messages to the brain about orientation of the head and body.

Currently, the main cause of preventable deaths in the United States is

a. smoking. b. unsafe sexual behavior. c. alcohol abuse. d. obesity.