Campbell Biology: Concepts & Connections (8th Edition)
Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Chapter 22, Problem 6TYK
Summary Introduction

Introduction:

The portion of body of the animal where the gas exchange occurs with the environment is known as a respiratory surface. The respiratory surface has to be moist for proper diffusion, should large enough to intake sufficient oxygen and thin layered for faster gas exchange.

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which of the following processes causes most of the carbon dioxide from the blood to move into the alveoli? a. passive transport using a carrier proteins b. active transport using energy c. conversion to carbon dioxide d. diffusion down a concentration gradient
What term best describes the exchnage of oxygen and carbon dioxide at the interface between the systemic cappillaries and the peripheral tissues? A. Ventilation B. Cellular respiration  C. Internal respiration D. External respiration
The alveoli of mammalian lungs do not contain 20.9% O2 (that is, the percentage of O2 in atmospheric dry air) because    A. there is dead space in the trachea and bronchial tree and the air in the lungs is humidified.   B. mammals do not normally ventilate the lungs at a high enough rate.   C. the trachea and bronchi are too small in volume to contain this amount of O2.   D. mammal lungs have too many alveoli to ventilate.   E. some O2 has been exchanged with the blood before reaching the alveoli.
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Respiratory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=v_j-LD2YEqg;License: Standard youtube license