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Functions of the Digestive System

A. What three processes does food undergo in the body?
B. What is ingestion?
C. What is mechanical digestion?
D. What is chemical digestion?
E. What is deglutition?
F. What is peristalsis?
G. What is absorption?
H. What is defecation?

Answer :

Final answer:

This answer provides information on the functions of the digestive system including processes like ingestion, mechanical and chemical digestion, peristalsis, absorption, and defecation.


Explanation:

Digestive System Processes:

  1. Ingestion: The process of taking in food through the mouth.
  2. Mechanical Digestion: Physical breakdown of food into smaller pieces.
  3. Chemical Digestion: Breakdown of food using enzymes and acids.

Additional Processes:

  • Deglutition: Swallowing food.
  • Peristalsis: Wave-like muscle contractions that move food through the digestive tract.
  • Absorption: Uptake of nutrients by the body.
  • Defecation: Elimination of indigestible waste.

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