Alveolar Cells and Blood Supply to Lungs Flashcards
1
Q
Simple squamous epithelium cells for gas exchange and fluid secretion in the lungs are known as what?
A
ALVEOLAR CELLS
2
Q
The fluid secreted from alveolar cells contains ____________ which reduces the surface tension of the fluid, which reduces the tendency of alveoli to collapse.
A
SURFACTANT
3
Q
Alveolar ______________ remove dust.
A
MACROPHAGES
4
Q
Within alveoli, _____________ make reticular and elastic fibres.
A
FIBROBLASTS
5
Q
What are alveoli are surrounded by?
A
CAPILLARIES
6
Q
Gas exchanges happen through simple __________ across the alveolar and capillary walls, which together for the respiratory membrane.
A
DIFFUSION
7
Q
Lungs get oxygen from the air, into the _________.
A
BLOOD
8
Q
Lungs get __________ ___________ from the blood, and return it to the air.
A
CARBON DIOXIDE
