5 Questions
What is the primary function of the digestive system in humans?
To break down food into nutrients that can be absorbed and utilized by the body for energy, growth, and repair.
Which organ is responsible for mechanical and chemical digestion of food in the digestive system?
The stomach.
What is the role of the small intestine in the digestive system?
Absorption of nutrients from food into the bloodstream.
What is the function of the liver in the digestive system?
To produce bile, which aids in the digestion and absorption of fats.
What is the final stage of the digestive process in humans?
Elimination of waste products through the anus.
Study Notes
Digestive System Overview
- The primary function of the digestive system in humans is to break down food into nutrients that can be absorbed and utilized by the body for energy, growth, and repair.
Organ Functions
- The stomach is responsible for mechanical and chemical digestion of food in the digestive system, where mechanical digestion involves churning and mixing food with digestive enzymes, and chemical digestion involves breaking down proteins and fats into smaller molecules.
Small Intestine Function
- The small intestine plays a crucial role in the digestive system by absorbing nutrients from food into the bloodstream, where most of the nutrient absorption takes place.
Liver Function
- The liver functions in the digestive system by producing bile, which helps break down fats into smaller molecules, and by filtering and detoxifying the blood.
Digestive Process Stages
- The final stage of the digestive process in humans involves the large intestine, also known as the colon, where water and electrolytes are absorbed, and the remaining waste is prepared for elimination from the body.
Test your knowledge of the human digestive system, including its primary function, organs involved, and the roles of the small intestine and liver.
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