Alveolar Cells and Blood Supply to Lungs Flashcards Preview

SCT1 Physiology Module 7 > Alveolar Cells and Blood Supply to Lungs > Flashcards

Flashcards in Alveolar Cells and Blood Supply to Lungs Deck (8)
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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