What happens to the intercostal muscles and diaphragm during inspiration (breathing in)?
2. Ventilation

Quiz
•
Biology
•
10th Grade
•
Medium
Kate Morgan
Used 45+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Stretch
Relax
Contract
Lengthen
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What happens to the volume of the thorax (chest) during expiration (breathing out)?
Increases
Decreases
Stays the same
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What happens to the ribs during expiration (breathing out)?
Contract
Relax
Move up and out
Move down and in
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
When the volume of the thorax (chest) increases during inspiration, what happens to the pressure?
Increases
Decreases
Stays the same
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What happens to the diaphragm during expiration (breathing out)?
Contracts and returns to dome position
Relaxes and flattens
Relaxes and returns to its dome position
Contracts and flattens
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does air move into the lungs during inspiration?
The volume of the thorax increases, so the thoracic pressure increases above atmospheric pressure, sucking air in
The volume of the thorax increases, so the thoracic pressure drops below atmospheric pressure, sucking air in
The volume of the thorax decreases, so the thoracic pressure drops below atmospheric pressure, sucking air in
The volume of the thorax decreases, so the thoracic pressure increases above atmospheric pressure, sucking air in
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which picture shows expiration taking place?
A
B
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