The Human Digestive System explains the structure, function, and regulation of digestion and absorption of nutrients in humans. This chapter is a core component of Zoology and Human Biology, essential for Class 11–12 students, NEET aspirants, and undergraduate learners, linking anatomy, physiology, and nutrition.
In this section, you will study:
Organs of the human digestive system
Structure and functions of the alimentary canal
Digestive glands and their secretions
Mechanical and chemical digestion of food
Absorption and assimilation of nutrients
Regulation of digestive processes
Disorders of the digestive system
NCERT-aligned explanations, diagrams, MCQs, and exam-oriented questions
The content is structured to build conceptual clarity, improve physiological understanding, and prepare students for school examinations, NEET, and undergraduate assessments.
Develop a strong foundation in digestive physiology to understand how food is processed, absorbed, and utilized to support growth, energy, and overall health.
Q. What is the function of the esophagus?
A.
Digests food
B.
Absorbs nutrients
C.
Transports food to the stomach
D.
Produces enzymes
Solution
The esophagus is a muscular tube that transports food from the mouth to the stomach.
Correct Answer:
C
— Transports food to the stomach
