The Human Respiratory System

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

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

What is the function of the bronchi?

• Transport air from nose to lungs
• Transport air from trachea to lungs
• Transport air from lungs to alveoli
• Transport air from alveoli to blood

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

• esophogus
• bronchi
• trachea
• alveoli

Which part of the Respiratory System collects air from the environment & heats/moistens the air before entering the body?

• lungs
• nose
• heart
• brain

Which is the correct air passage in the breathing mechanism?

• Nostril, nasal cavity, pharynx, larynx, trachea, bronchus, bronchiole, alveolus

• Nostril, nasal cavity, larynx, pharynx, trachea, bronchus, bronchiole, alveolus

• Nostril, nasal cavity, pharynx, larynx, trachea, bronchiole, bronchus, alveolus

• Nostril, nasal cavity, trachea, larynx, pharynx, bronchus, bronchiole, alveolus

"Movements of the rib cage and diaphragm make the thoracic cavity smaller and cause the air pressure in the thoracic cavity to increase"

The situation happens during....

• inhalation

• exhalation

• excretion

• blood circulation

Which of the following is not a characteristic of human lungs?

• Both right and left lungs are composed of three lobes. 
• Bronchi divide to form bronchioles.
• Capillary supply is abundant to facilitate gas exchange with the blood.
• The alveoli are tiny air sacs arranged in clusters.  

What are the tiny sacs of lungs called ?

• Air Sacs

• Lung Sacs

• Carbon Dioxide Sacs

• None

When we inhale, Our diaphragm

• moves up

• moves down

• flatterns

• None

How is carbon dioxide released from the body? 

• When we exhale
• When we urinate
• When we sweat
• When we inhale