IGCSE Gas exchange in humans
Authored by James Fraser
Biology
9th Grade
Used 58+ times
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10 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Identify the structures in the image
(a)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes an increase in the volume of the thorax?
Abdominal muscles contracting
Diaphragm relaxing
External intercostal muscles contracting
Ribs moving downwards and inwards
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many cells thick is the wall of an alveolus?
1
2
3
4
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
What process is used for the movement of carbon dioxide from the blood into an alveolus?
(a)
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Identify the structure in the image
(a)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which structure is responsible for making sounds to enable speech?
Ribs
Larynx
Bronchioles
Diaphragm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many alveoli are there in each lung?
250 thousand
250 million
250 billion
250
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