Everything Life Sciences Grade 10

Epithelial

tissue type

Location in body Structure Function

Simple

squamous

and stratified

squamous

Simple: capillaries,

alveoli (in lungs);

stratified: skin

Thin and flat cells that

are elliptically shaped

and lie on basement

membrane. Simple

squamous epithelium

is one-cell thick.

Stratified squamous

epithelium consists on

many layers.

Responsible for

diffusion. Thin

structure allows for

movement of

substances across the

cells.

Epithelial

tissue type

Diagram Microscopic image

Simple

squamous

and stratified

squamous

Epithelial

tissue type

Location in body Structure Function

Cuboidal Kidney tubules or

glands (regions of the

body responsible for

excretion).

Cube-like in structure;

may occasionally have

structures called

microvillion surface

to aid absorption.

Serve a protective

function against

bacteria and the

wearing away of

certain organs by

lining various

structures. Also

prevent water loss.

132 5.4. Animal tissues