Progress Check – Respiratory system

What is the windpipe also called?

• Trachea

• Pharynx

• Larynx

• Oesophagus

Which is the correct pathway that Oxygen passes into the lungs?

• Alveoli, Trachea, Nose

• Bronchioles, Alveoli, Brongi

• Bronchi, Bronchioles, Alveoli

• All of the above

In the lungs, where does gaseous exchange take place?

• Epiglottis

• Bronchioles

• Right bronchus

• Alveoli

Put the following features of the respiratory system in the order in which air would travel through them when being inhaled into the body.

• Alveoli, Nasal passages, Bronchioles, Trachea, Bronchi

• Nasal passages, Bronchioles, Trachea, Bronchi, Alveoli

• Nasal passages, Bronchioles, Bronchi, Alveoli, Trachea

• Nasal passages, Trachea, Bronchi, Bronchioles, Alveoli

Describe what gaseous exchange is and clearly state where it takes place.

(3 Marks)

Explain how the following features of the respiratory system are involved in inspiration and expiration:

Intercostal muscles, diaphragm, ribs, chest cavity, air pressure

(5 Marks)

When we inhale (breathe in), what happens to the pressure in the thorax?

• It Increases

• It stays the same

• It decreases

What happens when we exhale (breathe out)?

• The diaphragm contracts and moves upwards

• The diaphragm relaxes and moves upwards

• The diaphragm relaxes and moves downwards

What happens during gas exchange in the lungs?

• Oxygen passes into the blood and carbon dioxide passes out of the blood

• Oxygen passes out of the blood and carbon dioxide passes into the blood

• Oxygen and carbon dioxide pass into the blood

What happens when we inhale (breathe in)?

• The external intercostal muscles contract and the ribcage is pulled upwards and inwards

• The external intercostal muscles contract and the ribcage is pulled upwards and outwards

• The internal intercostal muscles contract and the ribcage is pulled upwards and outwards