The Lungs and Gas Exchange

Gas exchange is needed to supply _____________ to cells and remove __________________

• carbon dioxide; oxygen

• oxygen; food

• oxygen; carbon dioxide

• carbon dioxide; water

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

The movement by diffusion of oxygen and carbon dioxide across a membrane is called

• Ventilation

• Breathing

• Gas exchange

• Respiration

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

The air sacs that are covered with capillaries where gas exchange takes place are called

• Bronchi

• Trachea

• Oxygen

• Alveoli

Tags

NGSS.HS-LS2-5

The trachea leads to the...

• Bronchioles

• Bronchi

• Oesophagus

• Pulmonary artery

Letter D is pointing to which structure?

• Alveoli

• Diaphragm

• Lung

• Bronchi

Letter 8 is the...

• trachea

• nasal cavity

• bronchi

• larynx

The diagram shows the structure of the human gas exchange system. Name structure Q.

• alveolus

• trachea

• bronchus

• diaphragm

Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries. 

• trachea 
• bronchi 
• alveoli
• diaphragm

Ventilation maintains a high concentration of oxygen in the alveoli.

Which one of the following maintains a low concentration of oxygen in blood capillaries that are close by?

• respiration

• perspiration

• circulation

• evaporation

Tags

NGSS.HS-LS1-3

NGSS.HS-LS1-7

Which heart chamber pumps blood to the lungs?

• right atrium

• right ventricle

• left atrium

• left ventricle