Respiratory System

The lining membranes are covered in cilia and mucus.

Dust, pollen, and pathogens.

The pharynx.

<p>They are killed by the acid in the stomach.</p> Signup and view all the answers

<p>To filter and warm the air, and to detect chemicals in the air.</p> Signup and view all the answers

<p>The nasal cavities.</p> Signup and view all the answers

<p>Chemicals in the air to collect information.</p> Signup and view all the answers

<p>To check if food is still edible or to check if there is a predator nearby.</p> Signup and view all the answers

<p>At the mouth and nostrils (buccal cavity and nasal passages).</p> Signup and view all the answers

<p>To beat in unison and move the mucus up to the pharynx.</p> Signup and view all the answers

<p>To stop food from entering the trachea by covering the opening of the trachea when swallowing.</p> Signup and view all the answers

<p>To carry air to the lungs.</p> Signup and view all the answers

<p>It is the first division of the trachea and forms a short tube leading to each lung.</p> Signup and view all the answers

<p>They are further subdivisions of the bronchus that allow air to freely reach all areas of the lungs.</p> Signup and view all the answers

<p>To facilitate gaseous exchange in the lungs.</p> Signup and view all the answers

<p>They are moist, lubricated membranes that surround the lungs and prevent abrasion of lung tissue against the ribcage.</p> Signup and view all the answers

<p>To separate the thoracic cavity from the abdominal cavity and play a major role in breathing.</p> Signup and view all the answers

<p>They surround the thoracic cavity and protect the lungs and heart.</p> Signup and view all the answers

<p>They lift the ribcage up and out, increasing the volume of the thoracic cavity.</p> Signup and view all the answers

<p>To control the breathing rate by measuring the concentration of oxygen in the blood and adjusting the breathing rate accordingly.</p> Signup and view all the answers