Which structure is the site of gas exchange between inhaled air and the bloodstream?Multiple choice question.alveolusprimary bronchustrachealobar bronchus

Gas exchange between the inspired air and the blood occurs at the ______ of the lungs.Multiple choice question.alveolirespiratory bronchiolestracheaprimary bronchi

Which segment of the bronchial tree has air sacs (alveoli) associated with it and, thus, can participate in gas exchange?Multiple choice question.terminal bronchiolesrespiratory bronchiolessegmental bronchilobar bronchi

Where does gas exchange occur within the respiratory system?Multiple ChoiceIn the pharynxAt the alveoliIn the larynxIn the bronchioles

During inhalation, air moving into the lobar bronchi comes from the ______ bronchi.Multiple choice question.respiratorysegmentalmainintralobular

Gas exchange between air in the alveoli and blood in pulmonary capillaries is called Blank______.Multiple choice question.cellular respirationinternal respirationexternal respiration