Problem 71 - Objective Biology for NEET

Question

The function of gall bladder is (a) Storage of bile (b) Concentration of bile (c) Both (a) and (b) (d) Formation of bile

Step-by-Step Solution

Answer

(c) Both (a) and (b)

Step 1: Understanding Gall Bladder Functions

In the human body, the gall bladder is a small organ where bile (a fluid produced by the liver) is stored and concentrated before it is released into the small intestine.

Step 2: Checking the Options

Given the function of the gall bladder, look at the choices presented in the exercise. Option (a) states the gall bladder's role is the storage of bile, which is correct. Option (b) asserts the gall bladder concentrates the bile, which is also true. Option (d) claims the gall bladder forms bile, which is incorrect because bile is produced by the liver, not the gall bladder.

Step 3: Identification of the Correct Option

Based on the analysis in step 2, it can be confirmed that the gall bladder both stores and concentrates bile. Therefore, option (c) that states 'Both (a) and (b)' is the correct answer to this exercise.

Key Concepts

Bile Storage

The gallbladder's primary role is as a reservoir for bile, a substance crucial for digesting fats in our diet. Bile, produced by the liver, is transported via ducts directly to the gallbladder where it is held between meals.

When we eat, especially foods rich in fats, the gallbladder responds by contracting and pushing the stored bile through the bile duct and into the small intestine. This process is essential as bile helps to break down fats into smaller droplets, a process called emulsification, which makes it easier for the digestive enzymes to work effectively.

Bile Concentration

Apart from storage, the gallbladder has the significant function of concentrating bile. As bile sits in the gallbladder, water and small electrolytes are absorbed back into the bloodstream, making the bile up to five times more concentrated than it was when it left the liver.

This concentrated bile is more efficient in digesting fats and also conserves space within the gallbladder, allowing it to store more bile. Concentration of bile is vital as it intensifies its ability to act as a detergent to break down dietary fats into smaller particles, aiding digestion and absorption within the intestines.

Human Digestive System

The human digestive system is a complex and vital part of our physiology, responsible for breaking down the food we consume, absorbing nutrients, and excreting waste. It includes a series of organs such as the mouth, esophagus, stomach, small and large intestines, and accessory organs like the salivary glands, pancreas, liver, and gallbladder.

Each organ plays a specific role in digestion and overall health. The gallbladder's function, as part of this system, is indispensable for fat digestion which echoes the importance of the liver and pancreas in producing digestive juices that work synergistically to optimize digestion and nutrient absorption.