GED Science Practice

What is the function of the gallbladder?

1. a muscular sac attached to the liver that secretes bile and stores it until needed for digestion

2. a mature sexual reproductive cell having a single set of unpaired chromosomes

3. a gasoline substitute consisting of 90% gasoline and 10% grain alcohol from corn

4. the energy produced by heat within the earth

The correct answer is: a muscular sac attached to the liver that secretes bile and stores it until needed for digestion

The gallbladder serves a crucial role in the digestive system by acting as a storage site for bile, which is produced by the liver. Bile is essential for the digestion and absorption of fats in the small intestine. When fatty foods are consumed, the gallbladder contracts, releasing the stored bile into the small intestine to aid in the breakdown of fats. This coordination ensures that bile is available when needed, optimizing the digestive process. The other choices do not pertain to the function of the gallbladder. The second option describes a reproductive cell, which is unrelated to digestion. The third choice refers to a fuel mixture and has no connection to the biological functions of the gallbladder. Lastly, the fourth option discusses geothermal energy, which is also outside the context of digestive processes. Thus, the correct choice effectively highlights the gallbladder's role in storing and releasing bile for digestion.