What is the process of breaking down food into smaller particles that can be absorbed called?

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Study for the Leaving Certificate Biology Test. Prepare with flashcards and multiple-choice questions. Each question includes hints and explanations to enhance learning. Get ready to excel in your exam!

Multiple Choice

What is the process of breaking down food into smaller particles that can be absorbed called?

Explanation:
Digestion is the process by which food is broken down into smaller, soluble molecules that can be absorbed by the lining of the gut. This includes mechanical actions like chewing and stomach mixing, plus chemical actions where enzymes such as amylase, protease, and lipase break carbohydrates, proteins, and fats into smaller units. Once digested, these nutrients are small enough to pass through the intestinal wall into the bloodstream or lymphatic system for transport. Ingestion is simply taking in food, absorption is the uptake of digested nutrients, and assimilation is the use of those nutrients by body cells.

Digestion is the process by which food is broken down into smaller, soluble molecules that can be absorbed by the lining of the gut. This includes mechanical actions like chewing and stomach mixing, plus chemical actions where enzymes such as amylase, protease, and lipase break carbohydrates, proteins, and fats into smaller units. Once digested, these nutrients are small enough to pass through the intestinal wall into the bloodstream or lymphatic system for transport. Ingestion is simply taking in food, absorption is the uptake of digested nutrients, and assimilation is the use of those nutrients by body cells.

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