Science

  1. Practice
  2. Science
  3. Respiratory System (5)
Science
Question
Respiratory System (5)
0
Not quite remember
0
I easily remember
0
%
Mechanism of exhalation (1)
When you exhale, intercostal muscles relax and the rib cage moves downwards and inwards
Mechanism of exhalation (2)
Diaphragm muscles relax and curve upwards
Mechanism of exhalation (3)
Movements of the rib cage and diaphragm make the thoracic cavity smaller and cause the air pressure in the thoracic cavity to increase
Mechanism of exhalation (4)
The higher air pressure in the lungs pushes the air out
Percentage concentration of oxygen in inhaled air
Higher
Percentage concentration of oxygen in exhaled air
Lower
Percentage concentration of carbon dioxide in inhaled air
Lower
Percentage concentration of carbon dioxide in exhaled air
Higher
Importance of good ventilation in a class with many students
To supply enough oxygen and get rid of carbon dioxide in the air

Parts of the human respiratory system represented by the glass jar
Rib cage
The views expressed in the flashcard here are those of the contributor and don’t necessarily represent the views of pandai
Not quite remember
I easily remember
Show answer
Previous
Show answer
Show question
Next
Report this flashcard
Respiratory System (5)
Practice Flashcard Now
You’ve practice this deck
View answer
Return to the Science flashcard list

Quiz
Videos
Notes
Account