Alveoli

Mechanical movement to inhale and exhale air

• Gas Exchange
• Respiration
• Breathing
• Transport

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

• carbon dioxide; oxygen

• oxygen; food

• oxygen; carbon dioxide

• carbon dioxide; water

Tags

NGSS.HS-LS2-5

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

• Ventilation
• Breathing
• Gas exchange
• Respiration

Which of the following are features of the alveoli that adapt them to gas exchange?

I. High surface area
II. Thin walls
III. Dry surfaces

• I and II only
• I only
• II and III
• I, II, and III

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

• Bronchi

• Trachea

• Oxygen

• Alveoli

Tags

NGSS.MS-LS1-3

Which of the following shows the correct sequence of air passage into the lungs?

• trachea → mouth → alveoli → bronchi

• mouth → trachea → bronchi → alveoli

• alveoli → mouth → trachea → bronchi

• mouth → bronchi → trachea → alveoli