When you exhale, the diaphragm

Cleans, moistens/humidifies, and warms the air

Hair in your nose and mucus help to trap dust, bacteria, and other materials from going into your lungs when you breathe in.

Flap of tissue that covers the opening to the windpipe during swallowing

What is the site of gas exchange?

A chamber behind the nose and mouth that leads to the trachea and is part of the digestive system and respiratory system.

The large muscle that contracts and relaxes and moves air in and out of the lungs.

An air tube that is held open by C-shaped rings of cartilage. Also known as the windpipe.

The flap of tissue at the bottom of the pharynx which keeps food and liquids out of the rest of your respiratory system.

Tiny hairlike structures that line your nose and most other airways of the respiratory system.

What type of epithelium lines the trachea?

The internal nares

This structure covers the glottis when swallowing

The walls of the alveoli and capillaries consist of

Visceral pleura is

What force is response for pulmonary ventilation?

What substance is responsible for reducing the surface tension of the alveoli allowing them to remain inflated?

What type of respiration involves the absorption of oxygen and release of carbon dioxide?

What muscle is responsible for changing the volume of the lungs to allow for 75% of air movement during normal breathing?

The amount of air that enters and exits the lungs during normal pulmonary ventilation is the

The maximum amount of air that can be moved into and out of the lungs in one respiratory cycle is the

The volume of the thoracic cavity decreases during

Most of the carbon dioxide is transported back to the lungs in the form of

Condition of low tissue oxygen levels is called

Oxygen is released from hemoglobin when

What two membranes line the pleural cavity?

What part(s) of the nervous system regules respiration?s

During inhalation/inspiration the

What cartilage forms the Adam's Apple?

What is the primary muscle involved in the process of breathing?

Which part of the respiratory system is responsible for voice production?

What structure prevents food from entering the trachea during swallowing?

Exchange of gases at the respiratory zone occurs by