Portion of the digestive and respiratory system that is posterior to the nasal and oral cavaites.

What enzyme causes carbon dioxide to react with water?

Cellular process that releases energy from nutrients.

The respiratory membrane consists of two thickness of ______________________ cells and a basement membranes.

Substance produced by the lungs that reduces surface tension of alveoli.

The amount of air that enters or leaves the lungs during a normal respiratory cycle.

The tube that leads from the larynx to the bronchi?

The forces responsible for normal expiration is supplied by the following EXCEPT which one?

The force that causes air to move into the lungs during inspiration is supplied by this.

A wall of bone that separates the nasal cavity into two portions.

What structure is composed of simple squamous epithelium?

The pressure one gas produces in a mixture of gases is called this.

Microorganisms removed from in coming air by sticky mucus are most likely to be destroyed by this.

Air sacs of the lungs that exchange gases.

Cancer that develops in the lungs is most likely to develop from what type of cells?

Small branches of the bronchus in the lungs are called this.

What holds the visceral and parietal pleural membranes together?

Abnormally deep and prolonged breathing is called?

The receptors of the inflation reflex are most sensitive to this.

A deficiency of oxygen reaching tissues.

Gas exchange occurs by what force?

A passageway for air and food?

During forceful expiration, the air that can be expelled from the lungs in addition to the tidal volume is called this.

What moves air to the pharynx and moistens incoming air?

This contains air passages and alveoli.

What muscle would you need to use to forcefully exhale?

What reduces the weight of the skull?

Which lung volume cannot be measured using a simple spirometer?

This provides an entrance to the nasal cavity and filters incoming air.

If carbon dioxide was added to the air someone was breathing in. It would do this to the rate and depth of breathing.

This is a passageway for air and filters incoming air.

Hyperventilation is most likely to be accompanied by a _________________ in blood carbon dioxide concentration and a rise in pH.

What moves air from the trachea to the alveoli?

This is where the organs of the upper respiratory system are located.

What structure house the vocal cords?

The opening between the vocal cords is called this.

Which of the following IS NOT a function of the respiratory system?

Which lung is larger?

Why is one lung larger than the other?

Oxygen binds to this in the blood.

Which one binds more readily to hemoglobin?

When oxygen binds to hemoglobin this is created.

This is the name of the membrane that covers the lungs.

The maximum amount of air that a person can exhale after taking the deepest breath possible is called this.

What is the membrane attached to the cavity containing the lungs called?

Which of theses factors DOES NOT increase the releases of blood oxygen?

The respiratory center is located in the medulla oblongata and the __________________ of the brain stem

What is a small microscopic sac, organized into bundles, and surrounded by capillaries called?

What is a disease of the airways where the bronchioles constrict causing shortness of breath?

Emotional upset can cause breathing to _______________________.

Hyperventilation lowers carbon dioxide levels and causes breathing to ________________________.

What is the additional volume that can be inhaled by force?

What is the additional air that can be exhaled by force called?

Which respiratory air volume does emphysema NOT affect?