Respiratory System Flashcards
(5 cards)
1
Q
What is the main organ of the respiratory system that helps us breathe?
A
Lungs
2
Q
What part of the respiratory system is also called the windpipe and connects the throat to the lungs?
A
Trachea
3
Q
What tiny air sacs in the lungs help exchange oxygen and carbon dioxide?
A
Alveoli
4
Q
What muscle below the lungs helps in breathing by moving up and down?
A
Diaphragm
5
Q
What gas do we inhale when we breathe in?
A
Oxygen
