The word part meaning to breathe:

• pulmon/o

• nas/o

• spir/o

• bronch/o

The word part meaning to breathe:

• pulmon/o

• nas/o

• spir/o

• bronch/o

The word part meaning voice:

• phon/o

• laryng/o

• ox/o

• pharyng/o

The word part meaning chest:

• Pulmon/o

• Pneum/o

• ox/o

• -thorax

The word part meaning oxygen:

• pulmon/o

• pneum/o

• ox/o

• -thorax

The word part meaning breathing:

• tachy-

• -pnea

• pulmon/o

• pneum/o

Word part meaning lung:

• -thorax

• pulmon/o

• pneum/o

• Both pulmon/o and pneum/o are correct

The word part meaning bronchus:

• -thorax

• laryng/o

• pharyng/o

• bronch/o

The smallest divisions of the bronchial tree:

• Capillaries

• Venules

• bronchioles

• alvioli

During respiration, the exchange of gases takes place through the walls of the:

• Lungs

• Capillaries

• Alveoli

• Bronchioles