Year 8 Science Unit 1

What is the primary process involved in respiration?

• Photosynthesis

• Aerobic respiration

• Fermentation

• Digestion

Which component of the respiratory system carries air deep into the lungs?

• Trachea

• Bronchioles

• Alveoli

• Bronchi

Where does gas exchange occur in the respiratory system?

• Trachea

• Bronchioles

• Alveoli

• Bronchi

What happens during inhalation?

• Intercostal muscles relax

• Diaphragm moves down

• Chest cavity volume decreases

• Air is pushed out

Which component of blood transports oxygen?

• Plasma

• Red Blood Cells (RBCs)

• White Blood Cells (WBCs)

• Hemoglobin

What is the function of antibodies?

• Transporting oxygen

• Neutralizing pathogens

• Producing glucose

• Capturing carbon dioxide