Inhalation and Exhalation

The intercostal muscles are contracting and the ribs move upwards

• INHALATION

• EXHALATION

Tags

NGSS.MS-LS1-3

The diaphragm contracts and becomes flat

• INHALATION

• EXHALATION

Thoracic cavity (chest cavity) volume decreases and the air is forced out of the lungs

• INHALATION

• EXHALATION

Air pressure inside the lungs is higher

• INHALATION

• EXHALATION

The diagram shows the process of

• INHALATION

• EXHALATION

The diagram shows the process of

• INHALATION

• EXHALATION

Oxygen content is higher than carbon dioxide

• INHALATION

• EXHALATION

Carbon dioxide content is higher than oxygen

• INHALATION

• EXHALATION

When the thoracic cavity (chest cavity) increases, the air pressure inside the lungs decreases.

• INHALATION

• EXHALATION

The intercostal muscles are relaxing and the ribs move downwards

• INHALATION

• EXHALATION