How You Breathe and the Process Flashcards
1
Q
More than _____ breaths a day
A
20,000
2
Q
What muscle controls the exchange?
A
Diaphragm (a dome-shaped muscle located under the rib cage).
3
Q
Muscles attached to the ribs are…
A
intercostals (in-you)
4
Q
Inhale-
A
Intercostal muscles contract
Chest moves up and out
Diaphragm contracts and moves down, allowing air to come in
5
Q
Exhale-
A
Intercostal muscles relax
Chest moves down and in
Diaphragm relaxes and moves up, pushing air out
