Gas Exchange

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

• carbon dioxide; oxygen

• oxygen; food

• oxygen; carbon dioxide

• carbon dioxide; water

Tags

NGSS.MS-LS1-2

__________ are air sacs where gas exchange takes place.

• Bronchi

• Trachea

• Oxygen

• Alveoli

The yellow structures on the right side of this picture represent ________.

• diaphragm

• pharynx

• alveoli

• trachea

The diagram shows some of the structures in a human lung. Where is the carbon dioxide concentration highest?

• A

• B

• C

• D

Tags

NGSS.MS-LS2-3

Tubes entering the lungs are called

• bronchi

• bronchioles

• trachea

• diaphragm

Where is the dome-shaped diaphragm?

• above the lungs

• below the lungs

The two tubes that the trachea splits into (letter E) are known as the ______.

• pharynx

• bronchi

• trachea

• alveoli

Oxygen gas has the chemical formula

• O

• O₂

• O₃

• O₄

Tags

NGSS.MS-PS1-1

Carbon dioxide gas has the chemical formula ___ and oxygen gas has the chemical formula ______.

• CO, O

• CO₂, O₂

• CO_3, O₃

• CO_4, O₄

Tags

NGSS.MS-PS1-1

Which of these are branched tubes found inside the lungs?

• bronchi

• bronchioles

• trachea

• Oesophagus