Digestive System Review

Begins the breakdown of proteins and lubricates food.

Begins the breakdown of carbohydrates and lubricates food.

Neutralizes stomach acid and aids in nutrient absorption.

Increases the temperature of food for better digestion.

Absorbs water and forms waste.

Produces digestive enzymes.

Stores bile for fat digestion.

Absorbs nutrients from food.

A. Absorbs nutrients from food.

B. Breaks down food and kills harmful bacteria.

C. Produces insulin for blood sugar regulation.

D. Neutralizes stomach bile.

Stomach

Mouth

Small intestine

Esophagus

Stomach

Intestine

Liver

Pancreas

Digestion is the uptake of nutrients into the bloodstream; absorption is the breakdown of food.

Digestion is the breakdown of food; absorption is the uptake of nutrients into the bloodstream.

Digestion and absorption are the same processes occurring in the stomach.

Digestion is the process of chewing food; absorption is the process of excreting waste.

Absorption

Digestion

Metabolism

Excretion

Nutrient absorption

Water filtration

Waste storage

Hormone production

To break down food into nutrients for energy, growth, and cell repair.

To filter waste from the blood and produce urine.

To transport oxygen and nutrients to cells throughout the body.

To regulate body temperature and maintain homeostasis.

Increase surface area for nutrient absorption.

Decrease surface area for nutrient absorption.

Help in the digestion of proteins.

Absorb water from the intestine.