Organelles

question 75

Multiple Choice

Organelles

• A) are extracellular structures.
• B) are unspecialized portions of a cell.
• C) generally lack membranes.
• D) vary in number and type depending on cell function.
• E) are structural, but not functional parts of the cell.

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Definitions:

Mouth

The opening in the body of most animals through which food is ingested.

Villi

Small, finger-like projections that extend into the lumen of the small intestine, increasing its surface area for nutrient absorption.

Small Intestine

A part of the gastrointestinal tract following the stomach and duodenum, where most of the end absorption of nutrients and minerals from food takes place.

Digestive System

The complex system of organs and glands responsible for the breakdown and absorption of food, extracting nutrients and eliminating waste.