Flashcard: Respiratory Anatomy and Function — 16 carte

Nasal cavity — function?

Warms, humidifies, filters inhaled air.

Nasal septum — role?

Divides nasal cavity into two nostrils.

Nasopharynx — location?

Behind the nasal cavity, part of pharynx.

Nose — structures?

Contains nostrils, conchae, olfactory receptors.

Oropharynx — role?

Passageway for air and food behind mouth.

Palate — parts?

Hard (bony) and soft (muscular) palate.

Trachea — structure?

Windpipe supported by cartilage rings.

Bronchi — division?

Branch from trachea into each lung.

Bronchioles — size?

Smaller airways leading to alveoli.

Conducting zone — structures?

Trachea, bronchi, bronchioles; no gas exchange.

Lungs — function?

Gas exchange organ with alveoli.

Oxyhemoglobin — role?

Transports oxygen in blood.

Bicarbonate ion — formation?

Formed in RBCs during gas exchange.

External respiration — process?

Gas exchange between alveoli and blood.

Lung volumes — example?

Residual volume, tidal volume, vital capacity.

Respiratory mechanics — muscles?

Diaphragm, external intercostals.