Inhalation and Exhalation

Breathing out; exhalation of breath.

• Inspiration

• Expiration

What is the site of gas exchange?

• alveoli

• nose

• lung

• bronchi

The main ORGAN responsible for breathing is:

• the Brain

• the Lungs

• the Liver

• the Kidneys

What is another name for the windpipe?

• Lungs

• Trachea

• Larynx

• Esophagus

What is a respiratory cycle?

• 2 inhalations followed by one exhalation

• one inhalation followed by one exhalation

• one maximal inspiration followed by one forced expiration

• one inspiration followed by one forced expiration

The two main branches from the trachea (one to each lung)

• bronchi

• alveoli

• capillaries

• bronchioles

This is the most important organ of Human Respiratory System.

• Heart

• Lung

• Stomach

• Kidney

Inspiration is the ...

• Inhalation process

• Exhalation process

Human breath in oxygen and breath out...

• Nitrogen

• Carbon dioxide

During inspiration, the diaphragm will...

• Contract

• Relax