Y11 bio 1.2.1 gas exchange lesson 1

Open Ended

What can you remember about the respiratory system (from oxygen in air to oxygen exchange in blood)?

Multiple Choice

Which term refers to the exchange of air between the atmosphere and the lungs?

• Ventilation

• Gas Exchange

• Cell Respiration

• Aerobic Respiration

Multiple Choice

What process involves the exchange of oxygen and carbon dioxide between alveoli and blood?

• Ventilation

• Gas Exchange

• Cell Respiration

• Aerobic Respiration

Multiple Choice

Which process releases energy from organic molecules and is enhanced by oxygen?

• Ventilation

• Gas Exchange

• Cell Respiration

• Aerobic Respiration

Multiple Choice

What is the primary purpose of physiological respiration?

• Gas Exchange & Transport

• Energy Production

• Breathing

• Circulation

Multiple Choice

What type of diffusion is involved in the exchange of gases between alveoli and blood?

• Passive Diffusion

• Active Transport

• Facilitated Diffusion

• Osmosis

Multiple Choice

What term describes the presence of oxygen during cellular respiration?

• Aerobic

• Anaerobic

• Ventilation

• Gas Exchange

Multiple Choice

What term refers to the release of energy from organic molecules without oxygen?

• Anaerobic Respiration

• Aerobic Respiration

• Ventilation

• Gas Exchange

Multiple Choice

Which process is NOT part of physiological respiration?

• Circulation

• Ventilation

• Gas Exchange

• Cell Respiration

Multiple Choice

What is the primary purpose of cellular respiration?

• Energy Production (ATP)

• Gas Exchange

• Breathing

• Circulation

Multiple Choice

What term refers to the physical act of breathing?

• Ventilation

• Gas Exchange

• Cell Respiration

• Aerobic Respiration

Multiple Choice

Where does air enter the respiratory system?

• Nose or Mouth

• Larynx

• Alveoli

• Bronchioles

Multiple Choice

Which structure divides into two bronchi that connect to the lungs?

• Trachea

• Larynx

• Alveoli

• Bronchioles

Multiple Choice

Where does gas exchange with the bloodstream occur in the respiratory system?

• Bronchi

• Larynx

• Alveoli

• Bronchioles

Multiple Choice

What is the primary function of alveoli?

• Gas Exchange

• Oxygen Production

• Carbon Dioxide Production

• Filtering Air

Multiple Choice

How thick is the epithelial layer of an alveolus?

• One Cell Thick

• Two Cells Thick

• Three Cells Thick

• Four Cells Thick

Multiple Choice

Why do alveoli have a thin epithelial layer?

• Minimize Diffusion Distances

• Increase Surface Area

• Enhance Gas Production

• Strengthen Structure

Multiple Choice

What surrounds alveoli to increase the capacity for gas exchange?

• Rich Capillary Network

• Bronchioles

• Pleural Membrane

• Trachea

Multiple Choice

Why are alveoli roughly spherical in shape?

• Maximize Surface Area for Gas Exchange

• Minimize Surface Area

• Store Gases

• Reduce Capillary Network

Multiple Choice

Why is the internal surface of alveoli covered with a layer of fluid?

• Dissolved Gases Better Diffuse into Bloodstream

• Trap Dust and Debris

• Facilitate Mucus Production

• Cool the Air

Multiple Choice

Which of the following factors does not promote diffusion of gases in alveoli?

• Increased Epithelial Thickness

• Thin Epithelial Layer

• Rich Capillary Network

• Spherical Shape

Open Ended

What is something new you learnt today that you have found interesting?