Breaks down complex molecules into simpler parts and allows them to be carried out of the body as waste

The correct answer is liver.

Explanation:

The liver is a large reddish-brown organ below stomach which helps in digestion of the food.

The liver work along with pancreas and gall bladder in digestion of the food as it processes the nutrients absorbed from the small intestine by producing bile juice which digest complex bio molecule called "fats".

Thus, the liver is the correct answer.

answer: the answer is b

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.