Science, Respiratory System Flashcards
1
Q
What is the main organ in the respiratory system?
A
The lungs
2
Q
Where does the Respiratory system start?
A
Mouth and Nose (air breathing in)
3
Q
Where does the air go after the mouth?
A
The air passes down the throat (pharynx) and then down into the lungs via the trachea.
4
Q
How many parts do the lungs have?
A
2; left and right
5
Q
What protects the lungs?
A
The ribcage
6
Q
What do the lungs do to the air?
A
It separates oxygen from the rest of the air as it inflates.
7
Q
Where do the lungs send the oxygen?
A
The oxygen is sent into our blood stream and then distributed around the body.
8
Q
What controls us breathing in/out?
A
The diaphragm is a muscle under our lungs that contracts and relaxes, controlling the breathing motion.
9
Q
What part of the body requires oxygen?
A
Every part
