Epithelial Tissue

Question 1

Squamous Epithelial Tissue

Answer 1

Lining tissue on a basement membrane

Question 2

Squamous Epithelial Tissue - Features

Answer 2

Very flat
Very thin
Alveoli
Simple (1 layer), Stratified (many layers - skin)
Also called pavement epithelial
Central squashed nucleus
Large surface area

Question 3

Squamous Epithelial Tissue - Alveoli

Answer 3

Gaseous exchange

Question 4

Squamous Epithelial Tissue - Large Surface Area

Answer 4

Decreases diffusion distance

Question 5

Ciliated Columnar Epithelial Tissue - Features

Answer 5

In columns
Bronchioles
In the trachea
Pseudo stratified - looks like more than one layer
Goblet cells

Question 6

Ciliated Columnar Epithelial Tissue - Goblet Cells

Answer 6

Produce mucus

Question 7

Ciliated Columnar Epithelial Tissue - Cilia

Answer 7

Traps bacteria & dust
Flicks bacteria back up into the throat
99.1% of mucus is swallowed subconsciously

Question 8

Epithelial Tissue in Blood Vessels - Function

Answer 8

Reduce friction

Question 9

Epithelial Tissue in Blood Vessels - Artery

Answer 9

Transport blood at high pressure
Smaller Lumen

Question 10

Epithelial Tissue in Blood Vessels - Vein

Answer 10

Transport Blood at low pressure
Larger Lumen

Question 11

Epithelial Tissue in Blood Vessels - Capillary

Answer 11

Gaseous exchange
Short diffusion pathway