Respiratory System Quiz

What is the term given to the process of taking air into and out of the lungs?

• Respiration

• Circulation

• Digestion

• Excretion

Which structure separates the chest cavity from the rest of the body?

• Intercostal muscles

• Alveoli

• Bronchi

• Diaphragm

What is the function of the intercostal muscles in breathing?

• Assist in digestion

• Control rib movement

• Assist in gaseous exchange

• Transport oxygen to the bloodstream

During inspiration, what happens to the size of the chest and air pressure inside it?

• Size of the chest decreases, air pressure decreases

• Size of the chest increases, air pressure decreases

• Size of the chest decreases, air pressure increases

• Size of the chest increases, air pressure increases

What is the process of gas movement from an area of high concentration to an area of low concentration called?

• Osmosis

• Diffusion

• Active transport

• Filtration

Where does gaseous exchange occur in the respiratory system?

• Bronchioles

• Alveoli

• Trachea

• Bronchi

What is the function of haemoglobin in the blood?

• Assist in breathing process

• Assist in digestion process

• Transport oxygen to the muscles

• Transport carbon dioxide to the lungs

What is the function of the bronchioles in the respiratory system?

• Branch out into alveoli

• Assist in gaseous exchange

• Transport oxygen to the bloodstream

• Warm the air

What is the function of the pectoral muscles during inspiration?

• Relax and move the ribs inwards and downwards

• Contract and move the ribs upwards and outwards

• Assist in lifting the ribs up and out further

• Assist in moving air into the lungs

What is the function of the capillaries in the lungs during gaseous exchange?

• Surround the alveoli and transport oxygen to the muscles

• Surround the alveoli and transport carbon dioxide to the lungs

• Surround the alveoli and allow diffusion of oxygen and carbon dioxide

• Surround the alveoli and assist in warming the air