Lungs

The main function of the ______________ is to combine oxygen with the blood and eliminate carbon dioxide.

• Brain

• Heart

• Lungs

• Liver

Our chest contains a pair of lungs, which are made up of sections called ________________.

• Septum

• Bronchi

• Lobes

• Bronchioles

Our lungs is protected by the ____________________.

• Diaphragm

• Ribcage

• Trachea

• Bronchi

The gas that provides energy to the body is oxygen, while the one that produces waste products or "exhaust" of the body is _________________________.

• carbon dioxide

• Water

• Blood

• Fluid

Tags

NGSS.MS-LS1-3

NGSS.MS-LS2-3

_______________________ is the largest muscle, which is also the most efficient. It is located under the lungs and separates them from the other internal organs such as the liver, the stomach, the intestines and etc.

• Trachea

• Bronchi

• Bronchioles

• Diaphragm

The ______________________ is a tube-like structure that allows the air you breathe in through your mouth and nose to travel to your lungs.

• Bronchus

• Trachea

• Bronchioles

• Diaphragm

______________________ are the large air tubes leading from the trachea to the lungs. They carry air to the lungs. to your lungs.

• Bronchus

• Trachea

• Bronchioles

• Diaphragm

______________________ are the smaller branches of the bronchial airways in the respiratory tract.

• Bronchus

• Trachea

• Bronchioles

• Diaphragm

The process of inhalation or inspiration takes place as the diaphragm contracts, flattens and the chest cavity enlarges.

• True

• False

The process of inhalation or inspiration, happens when the diaphragm relaxes. It is when the air leaves the lungs and springs back to original shape.

• True

• False