alveolar walls contain elastin fibres which .... during exhalation
recoil
3 of 14
a .... ....... for molecules to diffuse through is a factor needed for a steep diffusion gradient
thin barrier
4 of 14
a ...... ........ of molecules on one side of the permeable membrane to maintain a high concentration gradient, is a factor needed for a steep diffusion gradient
large supply
5 of 14
during exercise smooth muscle ....
relaxes
6 of 14
during exhaling smooth muscle....
contracts
7 of 14
what type of cell that lines the trachea wafts mucus and foreign particles away from the lungs and alveoli
ciliated epithelium
8 of 14
what type of cells that line the respiratory tract secrete mucus?
goblet
9 of 14
during inhaling the intercostal muscles ....
contract
10 of 14
during exhaling the diaphragm....
relaxes
11 of 14
during inhaling the lungs....
inflate
12 of 14
the volume of air entering and leaving the lungs at each resting breath
tidal volume
13 of 14
the sum of the vital capacity and residual volume
total lung capacity
14 of 14
Other cards in this set
Card 2
Front
incomplete bands of cartilage hold open the .....
Back
Trachea
Card 3
Front
alveolar walls contain elastin fibres which .... during exhalation
Back
Card 4
Front
a .... ....... for molecules to diffuse through is a factor needed for a steep diffusion gradient
Back
Card 5
Front
a ...... ........ of molecules on one side of the permeable membrane to maintain a high concentration gradient, is a factor needed for a steep diffusion gradient
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