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)

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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)

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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