Gas exchange + skeleton

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.MS-LS1-3

NGSS.MS-LS2-3

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

• Ventilation
• Breathing
• Gas exchange
• Respiration

Respiration is the 

• Intake of oxygen and release of carbon dioxide over a membrane
• Release of energy from food inside cells
• Mechanical movement to inhale and exhale air
• Feature that enable an animal to survive in its habitat

Tags

NGSS.MS-LS1-7

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body

• to bring oxygen to the body

• to break down food and absorb nutrients

• to remove oxygen from the body and deliver carbon dioxide

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 trachea leads to the...

• Bronchioles
• Bronchi
• Esophagus
• Pulmonary Vessel

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

• Bronchi

• Trachea

• Oxygen

• Alveoli

Letter D is pointing to which Respiratory organ?

• Alveoli
• Diaphragm
• Lung
• Bronchi

Given the following structures:

1. alveoli

2. bronchi

3. bronchioles

Which of the following is the correct order in which air would flow after inhalation?

• 1,2,3

• 2,1,3

• 2,3,1

• 3,2,1