PPT-Cell vs. Organism Gas exchange

Gas exchange Gas exchange takes place at a respiratory surfacea boundary between the external environment and the interior of the body Gases cross the respiratory surface by diffusion and must have. A living thing. Cell. The basic unit of structure and function in living things. Unicellular. Made of a single cell. Multicellular. Consisting of many cells. Stimulus. A change in an organism’s surroundings that causes the organism to react. or . write out numbers 1-11 on a piece of paper and write the name of the organism. 1. 2. 3. 7. 1. 6. 5. 4. 11. 10. 9. 8. m. old. cast. Petrification. Mineralization. Petrified fossils are created when water containing minerals seeps into the open spaces found within an organism. After millions of years, these minerals crystallize and form an almost glass-like copy of the organism.. You will notice similarities . among organisms in their . early . stages. . The similar . embryo . development means . they all descend from a common ancestor. The similarities amongst organisms . fades as the organism develops.. Chapter 1: The Human Organism. 1. Chapter 1 Outline. 1.1 Anatomy and Physiology. 1.2 Structural and functional organization of the human body. 11 Organ Systems. 1.3 Characteristics of Life. 1.4 Biomedical Research. Do Now activity:. Identify some of the organs involved in the gas exchange system in the human body.. Discuss with your partner what function of some of these organs might be within this system. Explain why organisms need an efficient gas-exchange system. Navigation . Table. Organ Systems: Gas Exchange. Pre-Test. Introduction. Why It Matters. What We Know. . How We Know. Story Time. Common Hazards. Activities. Self-Study Game. Post-Test. Glossary. Pre-Test. Composition of the atmosphere. Gas solubility. Gas Exchange Fluxes. Effect of wind. Global CO. 2. fluxes by gas exchange. Emerson and Hedges: Chpts 3 and 10. Sarmiento and Gruber (2002) Sinks for Anthropogenic Carbon. and Minute Volumes. Determination of Alveolar and Dead Space Ventilation and Volumes. If we take . F. DCO2. . to be zero (b/c room air is defined as zero):. One way to easily find CO. 2. production: . Chapter 22 content not on Wednesday lecture test. Goals:. -Describe the airway divisions that lead air to the alveoli where most gas exchange actually occurs.. -Describe the structure and anatomy of the lower airway anatomy as it applies to health and disease. R. W. MclNTYm~, M.B., Cr~.B., D.A., F.R.C.P.(C), A. K, LAWS, B,SC,, M.B., B,S,, F.F,A,R,C.S., P. R. RAMACr~N,~, M.B, B.S., F.a.C.P.(C)t IS "WELL KNOWN that the pattern of mechanical ventilation can a In groups. discuss what is meant by the word “exchange”. Apply the word exchange to a biological concept. Exchange takes place over surfaces. Write down features of a good exchange surface. Which processes are used in the exchange of substances. Learning outcomes. Students should be able to understand the following:. The structure of fish gills and how water is passed along them. The difference between parallel flow and . countercurrent. flow. FSN – hierarchy designator omitted). Organism class. (proposed term). Life. cycle stage . (defining class). Instance. 19061001 |. Ascaris. . lumbricoides. Ascaris. . lumbricoides. Any / all / not specified.