The breaks down complex molecules into simpler parts and allows them to be carried out of the body as waste. a. pancreas b. bladder c. liver d. none of the above

The liver is a really complex organ that as a myriad of physiological functions. Among them the liver is responsible for breaking bulky molecules that can't be cleared out of the body. After breaking down the molecules are small enough to be carried out in urine or bile

The answer would be a

Ibelieve this would be an obstacle.