EBK HUMAN PHYSIOLOGY
EBK HUMAN PHYSIOLOGY
8th Edition
ISBN: 9780134704227
Author: Silverthorn
Publisher: YUZU
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Chapter 9, Problem 7RQ

a.

Summary Introduction

To compare: The concentration of H+ ions in the CSF as well as the blood plasma.

Introduction: Cerebrospinal fluid is a derivative of blood plasma and has great similarity with the blood plasma. The CSF and the blood plasma are formed continuously, but the major difference between the two fluids lies in the protein and electrolyte concentration.

b.

Summary Introduction

To determine: The concentration of Na+ ions in the CSF as well as the blood plasma

Introduction: Sodium ions are important cations that are present in the plasma as well as the CSF. The role of the sodium ions is to transport nutrients as well as waste material across the blood.

c.

Summary Introduction

To determine: The concentration of K+ ions in the CSF as well as the blood plasma

Introduction: Potassium ions are important cations that are present in the plasma as well as the CSF. The role of the potassium ions is to regulate fluid balance muscle contraction and nerve signals.

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foraging/diet type teeth tongue stomach intestines cecum Insectivory numerous, spiky, incisors procumbentExample: moleExample: shrew -- simple short mostly lacking Myrmecophagy absent or reduced in numbers, peg-likeExample: tamandua anteater extremely long simple, often roughened short small or lacking Terrestrial carnivory sharp incisors; long, conical canines; often carnassial cheek teeth; may have crushing molarsExample: dog -- simple short small Aquatic carnivory homodont, spiky, numerousExample: common dolphin -- simple or multichambered (cetaceans only) variable small or absent Sanguinivory very sharp upper incisors; reduced cheek teethExample: vampire bat grooved tubular, highly extensible long small or lacking Herbivory (except nectivores) incisors robust or absent; canines reduced or absent; diastema; cheek teeth enlarged with complex occlusal surfacesExample: beaver -- simple (hindgut fermenters) or multichambered (ruminants) long large Filter feeding none…
3. Shown below is the dental formula and digestive tract anatomy of three mammalian species (A, B, and C). What kind of diet would you expect each species to have? Support your answers with what you can infer from the dental formula and what you can see in the diagram. Broadly speaking, what accounts for the differences? Species A 3/3, 1/1, 4/4, 3/3 པར『ན་ cm 30 Species B 4/3, 1/1, 2/2, 4/4 cm 10 Species C 0/4, 0/0,3/3, 3/3 020

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EBK HUMAN PHYSIOLOGY

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