the lungs Flashcards
(10 cards)
1
Q
what is the primary function of the lungs?
A
to supply oxygen to your cells and to remove carbon dioxide
⋆. 𐙚 ˚ gas exchange
2
Q
what happens during breathing out?
A
intercostal muscles relax,
ribs move down and in
3
Q
what occurs during breathing in?
A
ribs move up and out,
diaphragm moves down
4
Q
what is the diaphragm?
A
a sheet of muscle that helps breathing
5
Q
what do the bronchi branch into?
A
bronchioles
6
Q
what is located between the ribs?
A
the intercostal muscles
7
Q
what is the effect of INCREASED VOLUME in the lungs?
A
causes air to rush into the lungs
8
Q
what is the effect of DECREASED VOLUME in the lungs?
A
air is forced out of the lungs
9
Q
fill in the blank: the trachea branches into two _______
A
bronchi
10
Q
true or false: the diaphragm moves up during inhalation
A
false
