Respiratory System Introduction and Respiratory Structures

Front

The main muscle of the respiratory system that allows for inhalation and exhalation is called the _____.

Back

diaphragm

Front

a flap of tissue composed of elastic cartilage that closes when we eat to prevent entry of food and liquids into respiratory tract

Back

epiglottis

Front

Known as the voice box, Contains vocal cords, and found between pharynx and trachea.

Back

larynx

Front

the ____ look like a cluster of grapes and is where the exchange of oxygen and carbon dioxide takes places.

Back

alveoli

Front

After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.

Back

trachea

Front

a dome shaped sheet of muscle, the _________, separates the thoracic cavity from the abdominal cavity

Back

diaphragm

Front

What are the air sacs that are covered with capillaries where gas exchange takes place?

Back

alveoli

Front

The two main branches from the trachea (one to each lung)

Back

bronchi

Front

Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries.

Back

alveoli

Front

What is one of the main functions of the respiratory system?

Back

to provide gas exchange between air and circulating blood