The process of mastication. Concept introduction: The digestive system consists of a collection of organs that help in the digestion of food materials and converts them into basic energy-rich molecules for supplying them to the entire body. The ingested complex nutrients are broken down into simpler molecules and are absorbed into the blood along with the electrolytes and water.

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 26.2, Problem 16LO

Summary Introduction

To explain: The process of mastication.

Concept introduction: The digestive system consists of a collection of organs that help in the digestion of food materials and converts them into basic energy-rich molecules for supplying them to the entire body. The ingested complex nutrients are broken down into simpler molecules and are absorbed into the blood along with the electrolytes and water.

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6. The mammalian phylogenies (labeled a and b) were produced by two different research groups. a. In which tree do phylogenetic relationships most closely align with biogeography and why? (consult the Teeling and Hedges paper) b. What are the most closely related species to Chiroptera in each tree? Might the use of convergent traits for building phylogenies explain this difference? If so, which tree is most likely to have relied on convergent traits and why? c. What are some possible reasons that the two research groups came up with different phylogenies (in general terms)? describe at least three possible reasons.

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 26.2, Problem 16LO

Summary Introduction

To explain: The process of mastication.

Concept introduction: The digestive system consists of a collection of organs that help in the digestion of food materials and converts them into basic energy-rich molecules for supplying them to the entire body. The ingested complex nutrients are broken down into simpler molecules and are absorbed into the blood along with the electrolytes and water.

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Answer 3

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 26.2, Problem 16LO

Summary Introduction

To explain: The process of mastication.

Concept introduction: The digestive system consists of a collection of organs that help in the digestion of food materials and converts them into basic energy-rich molecules for supplying them to the entire body. The ingested complex nutrients are broken down into simpler molecules and are absorbed into the blood along with the electrolytes and water.

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Answer 4

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 26.2, Problem 16LO

Summary Introduction