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Title: Tissues (AS Level Biology OCR)
Description: An overview of the tissues present in the human body. For AS level Biology students (OCR).
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Tissues
Epithelial Tissue
Epithelial tissue covers the whole surface of the body
...
This tissue is specialised to form the covering or
lining of all internal and external body surfaces
...
Epithelial cells are packed tightly
together, with almost no intercellular spaces and only a small amount of intercellular
substance
...
The basement
membrane provides structural support for the epithelium and also binds it to neighbouring
structures
...
Epithelial tissue is the body tissue that lines structures within the body
such as glands
...

Simple squamous tissue looks like thin, flat circles tightly formed together
...

Simple squamous tissue functions include filtration or diffusion and are most often found in
capillaries and the pulmonary alveoli which are located in the lungs
...

Stratified squamous epithelial tissue is more comprehensive than
simple squamous tissue but does include the same flat, circular cells in its base layer
...
Though not all layers will look thin and flat because inner layers can actually be
different types of tissue, the medical community names tissue based on the outer layer so
the entire section will be named stratified squamous tissue
Title: Tissues (AS Level Biology OCR)
Description: An overview of the tissues present in the human body. For AS level Biology students (OCR).
Buy These NotesPreview