PRACTICE Lungs and Respiratory System

Main organ of the respiratory system

• lungs

• diaphragm

• ribs

• mouth

Small tube that connects the mouth to the larynx and esophagus.

• alveoli

• bronchi

• pharynx

• trachea

Two tubes that connect the trachea to the left and right bronchioles

• wind pipe

• pharynx

• avleoli

• bronchi

Passageway for air moving from the pharynx to the trachea. Contains "vocal cords"

• larynx

• bronchi

• alveoli

• diaphragm

Breathing is made possible by this dome shaped muscle located under the lungs

• trapezius

• quadricep

• diaphragm

• trachea

tiny sacs in the lungs where gas exchange takes place

• capillary beds

• alveoli

• bronchioles

• diaphragm

a flap of cartilage that prevents food and liquids from entering the trachea when you swallow

• trachea

• larynx

• pharynx

• epiglottis

when the diaphragm contracts and flattens pulling air into the lungs

• exhale

• inhale

when the diaphragm relaxes back into its natural curved shape and air is pushed out of the lungs

• exhale

• inhale

When you breathe, your lungs take in ___ and remove ___. 

• air/oxygen
• oxygen/carbon dioxide 
• carbon dioxide/waste 
• waste/air