Chapter 21 Nutrition & Digestion. Overview: Obtaining and processing food Human Digestive System Diets Nutrition. Getting Their Fill of Krill. Animals obtain and process nutrients in a variety of ways Humpback whales eat small fishes and crustaceans called krill
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Obtaining and processing food
Human Digestive System
When they feed, they take in large amounts of seawater in which the fish and krill live
The food and breathing passages both open into the pharynx
Chemical Digestion in the Small Intestine