Unit 2.1: Human Breathing Process

Based on the diagram, what is the content of oxygen or carbon dioxide during inhalation?

• Inhaled air contains more oxygen compared to exhaled air.

• Exhaled air contains more oxygen compared to inhaled air.

• Exhaled air contains more carbon dioxide compared to inhaled air.

• Inhaled air contains more carbon dioxide compared to exhaled air.

What are the breathing organs?

• Lungs

• Eyes

• Nose

• Trachea

• Hands

Please arrange correctly the passage of air based on the diagram.

• Lungs, Nose, Trachea

• Trachea, Nose, Lungs

• Nose, Trachea, Lungs

• Lungs, Trachea, Nose

What are activities that are high rate of breathing?

• Swimming

• Sleeping

• Running

• Playing Football

• Walking

What are activities that are moderate rate of breathing?

• Standing

• Sleeping

• Jogging

• Playing Football

• Walking

What are activities that are low rate of breathing?

• Writing

• Sleeping

• Jogging

• Playing Football

• Listen to music

Please arrange correctly the passage of air based on the diagram.

• Lungs, Nose, Trachea

• Trachea, Nose, Lungs

• Nose, Trachea, Lungs

• Lungs, Trachea, Nose

Observe the passage of air below and named the process.

• Inhaling

• Exhaling

Based on the diagram, what is the content of oxygen or carbon dioxide during exhalation?

• Inhaled air contains more oxygen compared to exhaled air.

• Exhaled air contains more oxygen compared to inhaled air.

• Exhaled air contains more carbon dioxide compared to inhaled air.

• Inhaled air contains more carbon dioxide compared to exhaled air.

Observe the passage of air below and named the process.

• Inhaling

• Exhaling