Gas Exchage

The alveoli have a thin elastic wall formed from a single cell layer, called...

• Pleura

• Epiglottis

• epithelium

• skin

Which one is the correct process of inhaling?

• Inhaled air-trachea-bronchiole-bronchus-air sac

• inhaled air-bronchiole-bronchus-trachea-air sac

• inhaled air-bronchus-bronchiole-trachea-air sac

• inhaled air-trachea-bronchus-bronchiole-air sac

Gasses that are involved in gas exchange in the lung, except...

• HCO₂

• Carbon dioxide

• O₂

• Oxygen

Diffusion of oxygen and carbon dioxide can occur rapidly if...

• There is a small surface area exposed

• Have a thick layer between alveoli and capillaries

• There is a good blood supply

• There is no significant concentration between O₂ and CO₂

Where is the correct direction of oxygen and carbon dioxide movement? (More than one correct answer)

• Low concentration to high concentration of Oxygen

• High concentration to low concentration of Oxygen

• Low concentration to high concentration of Carbon dioxide

• High concentration to low concentration of Carbon dioxide