EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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Textbook Question
Chapter 10, Problem 3SQ
Oxygen in air must diffuse across______ to enter the blood.
a. pleural sacs
b. alveolar sacs
c. a moist respiratory surface
d. both b and c
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Chapter 10 Solutions
EBK HUMAN BIOLOGY
Ch. 10 - In the diagram below, label the parts of the...Ch. 10 - What is the difference between respiration and...Ch. 10 - Explain what a partial pressure gradient is and...Ch. 10 - What is oxyhemoglobin? Where does it form?Ch. 10 - What drives oxygen from the air spaces in alveoli,...Ch. 10 - How does hemoglobin help maintain the oxygen...Ch. 10 - What reactions enhance the transport of carbon...Ch. 10 - How do nerve impulses from the brain regulate...Ch. 10 - Why does your breathing rate increase when you...Ch. 10 - A partial pressure gradient of oxygen exists...
Ch. 10 - The ________ is an airway that connects the nose...Ch. 10 - Oxygen in air must diffuse across______ to enter...Ch. 10 - Prob. 4SQCh. 10 - Gas exchange occurs at the _______. a. two bronchi...Ch. 10 - Breathing _______. a. ventilates the lungs b....Ch. 10 - After oxygen diffuses into lung capillaries, it...Ch. 10 - Due to its partial pressure gradient, carbon...Ch. 10 - Prob. 9SQCh. 10 - Prob. 10SQCh. 10 - Cases of accidental carbon monoxide poisoning...Ch. 10 - Prob. 2CTCh. 10 - When you sneeze, abdominal muscles abruptly...Ch. 10 - Underwater, we humans cant compete with whales and...Ch. 10 - Prob. 5CT
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- The respiratory system_______. a. provides body tissues with oxygen b. provides body tissues with oxygen and carbon dioxide c. establishes how many breaths are taken per minute d. provides the body with carbon dioxidearrow_forwardDuring inhalation, ________. a. the thoracic cavity expands d. the diaphragm relaxes c. atmospheric pressure declines d. the lungs deflatearrow_forwardGas exchange occurs at the _______. a. two bronchi b. pleural sacs c. alveoli d. both b and carrow_forward
- The inferior portion of the larynx is composed of the A. thyroid cartilage. B. hyoid bone. C. glottis. D. cricoid cartilage.arrow_forward18. The bronchial arteries nourish the tracheobronchial tree down to, and including, which of the following? A. Respiratory bronchioles B. Segmental bronchi C. Terminal bronchioles D. Subsegmental bronchiarrow_forwardUnderwater, we humans cant compete with whales and other air-breathing marine mammals, which can stay submerged for extended periods. At the beach one day you meet a surfer who tells you that special training could allow her to swim underwater without breathing for an entire hour. From what you know of respiratory physiology, explain why she is mistaken.arrow_forward
- Figure 16.9 Which of the following statements about the human respiratory system is false? a. When we breathe in, air travels from the pharynx to the trachea. b. The bronchioles branch into bronchi. c. Alveolar ducts connect to alveolar sacs. d. Gas exchange between the lungs and blood takes place in the alveolus.arrow_forwardWhich is the order of airflow during inhalation? a. nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli b. nasal cavity, larynx, trachea, bronchi, bronchioles, alveoli c. nasal cavity, larynx, trachea, bronchioles, bronchi, alveoli d. nasal cavity, trachea, larynx, bronchi, bronchioles, alveoliarrow_forward17. Cartilage is found in which of the following structures of the tracheobronchial tree? 1. Bronchioles 2. Respiratory bronchioles 3. Segmental bronchi 4. Terminal bronchioles A. 1 only B. 3 only C. 2 and 3 only D. 1 and 4 onlyarrow_forward
- When you sneeze, abdominal muscles abruptly contract, pushing your diaphragm upward. Given the discussion of the respiratory cycle in Section 10.4, why does this change expel air out your nose?arrow_forward14. The horizontal fissure separates the A. middle and upper lobes of the right lung. B. upper and lower lobes of the left lung. C. middle and lower lobes of the right lung. D. oblique fissure of the left lung.arrow_forwardThe rate breathing is controlled by the ________? A. ventral respiratory group B. dorsal respiratory group C. pontine respiratory group D. medullary respiratory grouparrow_forward
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