Respiratory System

Gas exchange is needed to supply _____________ to cells and remove __________________

• carbon dioxide; oxygen

• oxygen; food

• oxygen; carbon dioxide

• carbon dioxide; water

The air sacs that are covered with capillaries where gas exchange takes place are called

• Bronchi

• Trachea

• Oxygen

• Alveoli

The trachea leads to the...

• Bronchioles

• Bronchi

• Oesophagus

• Pulmonary artery

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body

• o break down food and absorb nutrients

• to remove oxygen from the body and deliver carbon dioxide

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

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

What is tube that is also known as your wind pipe?

• esophogus
• bronchi
• trachea
• alveoli

_________ is the main passageway into and out of the respiratory system.

• mouth

• nose

• ear

• skin pores

The ___________ is the dome shaped muscle below the lungs

• diaphragm

• rib

• alveoli

• trachea

contains the vocal chords/voice

• mouth

• trachea

• bronchioles

• larynx

main tube in respiration

• lungs

• trachea

• alveoli

• bronchial tubes