Which of the following happens during inhalation?
8.2 Breathing and Gas Exchange

Quiz
•
Biology
•
9th - 10th Grade
•
Hard
Victoria Jane Young Young
Used 26+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Intercostal muscles contract
Diaphragm relaxes
Rib cage moves up and out
Volume of the chest increases
Answer explanation
When the diaphragm relaxes, it becomes dome-shaped
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which adaptation increases the surface area for gas exchange at the alveoli?
There are lots of tiny alveoli
The walls of the alveoli are one cell thick
The alveoli have a good blood supply
Oxygen-rich air is breathed in and carbon dioxide-rich air is breathed out
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What causes air to move out of the respiratory system when a person exhales?
Increased pressure in the chest
Increased volume in the chest
The upward and outward movement of the rib cage
Contraction of the diaphragm
Answer explanation
High pressure in the chest forces the air to move out
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why are the walls of the capillaries and alveoli one cell thick?
To increase the surface area for gas exchange
To decrease the distance travelled by the gases
To maintain a concentration gradient between the capillary and the alveolus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is correct about inhalation?
Decreased volume in the chest leads to increased pressure
Increased volume in the chest leads to decreased pressure
Decreased volume in the chest leads to decreased pressure
Increased volume in the chest leads to increased pressure
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A person inflates a balloon by exhaling into it. How will the air in the balloon differ from the atmospheric air?
It will contain more oxygen
It will contain less carbon dioxide
It will contain less oxygen
It will contain the same amount of nitrogen
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
During inhalation...
Pressure in the chest increases
Volume in the chest increases
Muscles are contracted
Rib cage moves down and in
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