In humans and other mammals, gas exchange occurs at which two locations? lungs and heart oral cavity and body cells oral cavity and heart lungs and body cells Which of the following is cellulose an example of? * an enzyme a disaccharide a monosaccharide a polysaccharide * 1 point 1 point
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1. Which of the following serve as gas-exchanging organs for the process of respiration? A. kidney B. lungs C. heart D. liver 2. It is a life process that involves inhalation and exhalation? A. respiration B. digestion C. circulation D. perspiration 3. In which part allows the gas exchange in the lungs? A. trachea B. bronchi C. bronchioles D. alveoli 4. What do you call the two branching tubes of the respiratory system that connect the trachea to the lungs? A. bronchi B. bronchioles C. alveoli D. pharynx 5. It is the finer subdivisions of the bronchi that connect to the alveoli? A. trachea B. bronchi C. bronchioles D. pharynx
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