Respiratory System Interaction

During inspiration the pressure in the lungs increases.

• True

• False

During expiration, ________ pressure in the thoracic cavity causes air to leave the lungs.

• increased

• decreased

• vacuum

• hydraulic

Air passing along the respiratory tract is ________.

• filtered

• warmed

• moistened with water

• all of the above

In the nose, the cilia beat upward carrying mucus and dust.

• True

• False

As air moves out during expiration, it cools and loses its moisture.

• True

• False

The human nose contains _____ nasal cavities.

• one

• two

• four

• eight

The nasal cavities empty into the _________.

• larynx

• glottis

• trachea

• nasopharynx

The moist membranes of the respiratory tract are protected by ________.

• a dry epidermal surface

• mucus and cilia

• cartilage rings

• roving macrophages from the lymphatic system

The ________ lead(s) from the nasopharynx to the middle ears.

• larynx

• glottis

• trachea

• auditory tubes

The trachea lies behind or dorsal to the esophagus.

• True

• False