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Teaching & Academics Science Physiology

Animal Physiology 1. Respiration and gas exchange

Energetics, thermodynamics and adaptation
Rating: 3.8 out of 53.8 (25 ratings)
141 students
Created by Scott Turner
Last updated 5/2016
English
English [Auto]
30-Day Money-Back Guarantee

What you'll learn

  • understand how life is a thermodynamic phenomenon.
  • understand why oxygen is important to the evolution of metabolism.
  • understand what metabolism is and how to quantify it.
  • understand the difference between respiration and fermentation.
  • understand diffusion and Fick's law.
  • understand the Fick principle and how it differs from Fick's law.
  • understand the derivation of the ventilation / perfusion ratio and how it constrains the performance of gas exchange organs.

Requirements

  • Preparation for this course includes the course work an upper-division biology student can reasonably be expected to have. Thisincludes general biology, general chemistry, organic chemistry, physics, perhaps some biochemistry and ecology.

Description

This is a course in the physiology of animals, or, to use a common phrase, how animals work.  Animals are, in one sense, machines, and the aim of the science of physiology is to understand how these machines function—what drives them, how they operate, the interaction of the various systems they comprise, and the physical and chemical constraints on how they work.    

Animals are also organisms, and this course is intended to help you understand how animals work as integrated units, i.e. as organisms. We will be concerned with how organisms’ various components work to keep an animal alive, with how these are coordinated, and how the various types of animals, despite their disparate evolutionary histories, solve common physiological problems, sometimes in remarkably innovative ways.     This course is intended for the upper-division biology student. It is also a good course for graduate students and practicing professionals looking for a brush-up course in animal physiology. I presume that you come into this course with the background in chemistry, physics, mathematics and biology that can be reasonably expected of a senior biology student. 

The course consists of about five hours of video clips, parceled into six lectures. This is the first module of four similar courses. This module covers respiration. Subsequent modules cover blood and circulation; digestion and metabolism; and heat and water balance. All four comprise one semester of a two-semester course in animal physiology.

Who this course is for:

  • This course is intended for upper-division undergraduates in biology, as well as graduate students looking for a brush-up course in animal physiology.
  • Life-long learners interested in the nature of adaptation and the biology of animals can also profit from this course.

Course content

7 sections • 50 lectures • 5h 13m total length

  • Preview02:42
  • Preview04:06
  • Preview04:45
  • Lecture 1_3 Second law of thermodynamics
    04:32
  • Lecture 1_4 Third law of thermodynamics
    03:54
  • Lecture 1_5 Open thermodynamic systems
    05:03
  • Lecture 1_6. What physiology is
    03:08

  • Preview03:18
  • Lecture 2_1 Oxidation of glucose
    07:23
  • Lecture 2_2 Fermentation and respiration compared
    05:00
  • Preview04:58
  • Lecture 2_4 Oxygen radicals
    05:03
  • Lecture 2_5 The origin of complex metabolism 1
    06:10
  • Lecture 2_6 The origin of complex metabolism 2
    09:03

  • Preview02:47
  • Lecture 3_1 Respiratory gas fluxes
    05:25
  • Lecture 3_2 Quantifying gas concentrations
    06:52
  • Lecture 3_3 Henry's law
    08:29
  • Lecture 3_4 More about partial pressure
    05:15
  • Lecture 3_5 Carbon dioxide solubility
    07:46
  • Lecture 3_6 Fick's law of diffusion
    06:55

  • Preview02:56
  • Lecture 4_1 Diffusion gas exchange in birds' eggs 1
    05:22
  • Lecture 4_2 Diffusion gas exchange in birds' eggs 2
    05:44
  • Lecture 4_3 Diffusion limitations on body size
    05:42
  • Lecture 4_4 Diffusion gas exchange in insects
    07:56
  • Preview11:38
  • Lecture 4_6 Bubble gills 1 An anomalous experiment
    05:23
  • Lecture 4_7 Bubble gills 2 Instability of bubbles
    06:34
  • Lecture 4_8 Bubble gills 3 How a simple bubble gill works
    06:13
  • Lecture 4_9 Bubble gills 4 A permanent bubble gill
    06:10

  • Preview02:18
  • Lecture 5_1 Ventilation-perfusion gas exchangers
    05:42
  • Lecture 5_2 The Fick principle
    05:42
  • Lecture 5_3 Matching supply with demand
    07:45
  • Preview06:33
  • Lecture 5_5 The fish gill 2
    07:38
  • Lecture 5_6 Fish gill ventilation
    08:21
  • Lecture 5_7 The ventilation / perfusion ratio 1
    05:06
  • Lecture 5_8 The ventilation / perfusion ratio 2
    07:31

  • Preview02:42
  • Preview09:20
  • Lecture 6_2 Hemoglobin structure
    08:36
  • Lecture 6_3 The oxygen-hemoglobin dissociation curve
    09:47
  • Lecture 6_4 Hemoglobin and the Fick principle
    08:39
  • Lecture 6_5 Oxygen binding kinetics
    10:40
  • Lecture 6_6 Evolution of respiratory pigments
    08:16
  • Lecture 6_7 Hemoglobin and CO2 transport
    07:15
  • Lecture 6_8 Adaptation in hemoglobin binding
    12:29

  • Animal Physiology 1: Wrap up
    03:15

Instructor

Scott Turner
Physiologist, Scientist, Writer, Media Maker
Scott Turner
  • 4.6 Instructor Rating
  • 201 Reviews
  • 714 Students
  • 11 Courses

I am a Professor of Biology at the State University of New York College of Environmental Science and Forestry in Syracuse, New York.

I am a physiologist by training but with a deep interest in the interface of physiology, ecology, adaptation and evolution. You can read some of my thoughts in two books I have published: The Extended Organism: The Physiology of Animal-Built Structures (2000) and The Tinkerer's Accomplice: How Design Emerges from Life Itself (2007), both published by Harvard University Press. I have completed a third book, Purpose and Desire: What Makes Something Alive and Why Modern Darwinisms Fails to Explain It, which was published in September 2017 by HarperOne. You can find out more about me at my web site (link above).

My current research focuses on the problem of emergent physiology in social insect colonies. specifically the mound building termites of southern Africa.

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