The first slide shows a lung which primarily functions in gas exchange. The slide shows the respiratory portion of the lungs which comprises of the alveoli and blood-air barrier.
The second slide shows the epiglottis. This acts as a valve that covers the trachea when swallowing and opens when breathing. It comprises of the mucous membrane, lamina propria, and elastic cartilage.
The first slide shows a lung which primarily functions in gas exchange. The slide shows the respiratory portion of the lungs which comprises of the alveoli and blood-air barrier.
The second slide shows the epiglottis. This acts as a valve that covers the trachea when swallowing and opens when breathing. It comprises of the mucous membrane, lamina propria, and elastic cartilage.