BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 27, Problem 6MCQ
Summary Introduction
Introduction:
The movement of air in and out of the body is known as the respiratory cycle. The inhaled air contains mainly oxygen gas (21%) along with a little amount of carbon dioxide. Carbon dioxide is produced as the by-product of respiration process that occurs in the body. The amount of carbon dioxide exhaled will be more than inhaled.
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BASED ON THE TEXT, what is meant by "semipermeable membrane" and why is it necessary to gas exchange between O2 and CO2?
USE THIS SENTENCE STARTER :
a semipermeable membrane means....
A semipermeable membrane is needed for exchange of oxygen and carbon dioxide because...
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
Is the oxygen that we breathe in the same oxygen that is found in the CO2 that we breathe out? If not, what happens to the Oxygen that we breathe in?
Chapter 27 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 27.1 - What are the components of blood?Ch. 27.1 - Prob. 2MCCh. 27.1 - Prob. 3MCCh. 27.1 - Prob. 4MCCh. 27.3 - What is the cardiovascular system?Ch. 27.3 - Prob. 2MCCh. 27.4 - Prob. 1MCCh. 27.4 - Prob. 2MCCh. 27.4 - Prob. 3MCCh. 27.4 - How does exercise affect the circulatory system?
Ch. 27.5 - Prob. 1MCCh. 27.5 - Prob. 2MCCh. 27.5 - Prob. 3MCCh. 27.6 - Prob. 1MCCh. 27.6 - Prob. 2MCCh. 27.6 - Prob. 3MCCh. 27.6 - Prob. 4MCCh. 27.7 - Prob. 1MCCh. 27.7 - Describe the events of one respiratory cycle.Ch. 27.7 - Prob. 3MCCh. 27.8 - Prob. 1MCCh. 27.8 - Prob. 2MCCh. 27.8 - Prob. 3MCCh. 27 - Prob. 1MCQCh. 27 - Prob. 2MCQCh. 27 - Prob. 3MCQCh. 27 - Prob. 4MCQCh. 27 - Prob. 5MCQCh. 27 - Prob. 6MCQCh. 27 - Prob. 7MCQCh. 27 - Prob. 1WIOCh. 27 - Prob. 2WIOCh. 27 - Prob. 3WIOCh. 27 - Describe the events that occur during one cardiac...Ch. 27 - Prob. 5WIOCh. 27 - Prob. 6WIOCh. 27 - Explain how a sphygmomanometer blood pressure...Ch. 27 - Prob. 8WIOCh. 27 - Prob. 9WIOCh. 27 - Prob. 10WIOCh. 27 - Prob. 11WIOCh. 27 - Prob. 12WIOCh. 27 - Prob. 13WIOCh. 27 - Prob. 14WIOCh. 27 - Use the Internet to learn more about disorders of...Ch. 27 - Prob. 2SLCh. 27 - Review the Survey the Landscape figure in the...Ch. 27 - How do the pulmonary and systemic circulatory...Ch. 27 - Prob. 3PITCh. 27 - Prob. 4PIT
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- The trachea has rings of cartilage to: a. Allow the trachea to close when air is not present b. Keep the trachea open for continuous air flow c. Allow the trachea to close when food is not present d. Keep the trachea open for continuous food flowarrow_forwardDiscuss the advantage of gas exchange in the air to the gas exchange in the water?arrow_forwardThe movement of gas from an area of higher pressure to an area of lower pressure until the partial pressures in the two areas become equal is caused by ________________. Group of answer choices A the partial pressure gradient B the solubility coefficient C active transport D cellular respirationarrow_forward
- Oxygen and carbon dioxide diffuse across our respiratory surface into and out of the blood via simple diffusion. The respiratory membrane is thin so gases diffuse only a short distance through the liquid and into the blood. Fluid buildup in the lungs increases the distance through the liquid medium. How does this impact the concentration of oxygen in the blood? Explain.arrow_forwardWould you expect to find CO2 in your breath? Why?arrow_forwardConsidering the nature of negative-feedback control and the function of the respiratory system, what effect do you predict that a decrease in CO2 in the internal environment would have on how rapidly and deeply a person breathes?arrow_forward
- Why is it that gram per gream, a mouse's respiratory rate is higher than that of an elephant's? a. The mouse can run faster than an elephant. b. The mouse has a larger brain than an elephant. c. The mouse has more surface area, so needs more energy to stay warm. d. The mouse has more surface area, so needs less energy to stay warm.arrow_forwardIf the volume of breath of a person is 450mL, how much of it is actively participating in the exchange of O2 and CO2?arrow_forwardCreate a graph of the number of bubbles released and the concentration of carbon dioxide.arrow_forward
- 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 respirationarrow_forwardInteractions between the cardiovascular and respiratory system provide oxygen to the body.a. Describe the path of blood through the heart, including arteries and veins. Start at the blood entering the heart from the body. Indicate when blood is oxygenated and deoxygenated.b. Oxygen is transported by hemoglobin. Describe how pH affects the deposition of oxygen in tissues c. What are two sources of oxygen stores in the body to allow for rapid use when undergoing physical exertion? d. Which chamber of the heart is the most muscular, and why?arrow_forwardIn most tissues, if the temperature is increased by 10°C, how much is the rate of respiration increased?arrow_forward
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Respiratory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=v_j-LD2YEqg;License: Standard youtube license