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Life processes
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Nutrition
Types of nutrition
Nutrition in human beings
Organs of the system
Process of digestion
Facts about human digestion
Questions
Respiration
Types of respiration
Respiration in human beings
Organs of the system
Process of respiration
Facts about human respiratory system
Questions
Excretion
Excretion in human beings
Organs of the system
Process of excretion
Facts about human excretion
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Reproduction
Types of reproduction
Reproduction in human beings
Organs of the system
Process of reproduction
Facts about human reproduction
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Life processes
Home
Nutrition
Types of nutrition
Nutrition in human beings
Organs of the system
Process of digestion
Facts about human digestion
Questions
Respiration
Types of respiration
Respiration in human beings
Organs of the system
Process of respiration
Facts about human respiratory system
Questions
Excretion
Excretion in human beings
Organs of the system
Process of excretion
Facts about human excretion
Questions
Reproduction
Types of reproduction
Reproduction in human beings
Organs of the system
Process of reproduction
Facts about human reproduction
Questions
References
More
Home
Nutrition
Types of nutrition
Nutrition in human beings
Organs of the system
Process of digestion
Facts about human digestion
Questions
Respiration
Types of respiration
Respiration in human beings
Organs of the system
Process of respiration
Facts about human respiratory system
Questions
Excretion
Excretion in human beings
Organs of the system
Process of excretion
Facts about human excretion
Questions
Reproduction
Types of reproduction
Reproduction in human beings
Organs of the system
Process of reproduction
Facts about human reproduction
Questions
References
Organs of the system
The human digestive system consists of the gastrointestinal tract and the accessory organs of digestion.
The accessory organs are the tongue, salivary glands, pancreas, liver, and gallbladder.
Intestinal villi are small, finger-like projections that extend into the lumen of the small intestine.
Villi increase the internal surface area of the intestinal walls making available a greater surface area for absorption.
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