4.2.11 & 12 Respiratory System

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

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

• Ventilation
• Breathing
• Gas exchange
• Respiration

Cellular Respiration is the

• Intake of oxygen and release of carbon dioxide over a membrane

• Release of energy from glucose inside cells

• Mechanical movement to inhale and exhale air

• Feature that enable an animal to survive in its habitat

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

• Bronchi

• Trachea

• Oxygen

• Alveoli

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

• trachea → larynx → alveoli → bronchi

• larynx → trachea → bronchi → alveoli

• alveoli → larynx → trachea → bronchi

• larynx → bronchi → trachea → alveoli

The exhaled air from our body consists mostly of__________ Check all boxes that apply

• carbon dioxide.

• nitrogen.

• oxygen.

• water vapor.

Which organ controls breathing?

• medulla oblongata

• lungs

• heart

• none of the above

Alveoli have a...

• ...moist lining for dissolving gases

• ...dry lining for dissolving gases

• ...moist lining for dissolving glucose

• ...dry lining for dissolving glucose

Alveoli have very thick walls to maximise the distance that gases have to move.

• True

• False