Edexcel IGCSE Biology 2.46 thorax structure
Practise thorax structure by labelling respiratory organs, ordering air pathways and applying diagram evidence to lung-model questions.
- Syllabus
- First assessment 2019
- Course
- Biology 4BI1
Exam points
- Label thorax diagrams with trachea, bronchi, bronchioles, alveoli and diaphragm.
- Order the air pathway from mouth or trachea through bronchi and bronchioles to alveoli.
- Apply thorax structures to lung-model parts such as rubber sheets, balloons or glass jars.
2.46 Thorax structure question 1
The diagram shows parts of the human respiratory system with some structures labelled.
Which of these is the structure labelled X ?
A
alveolus
B
bronchiole
C
bronchus
D
trachea
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