Tissues Flashcards
Name the organisation of cells within the body.
Atoms
Molecules
Organelles
Cells
Tissues
Organs
Systems
Name 4 types of tissue
Epithelial
Connective
Muscle
Nervous
Functions of Epithelial tissue
Covers
Lines
Protects
Absorbs
Secretes
Types of Epithelial tissue
Squamous
Cuboidal
Columnar
How many layers does Simple Epithelial have?
1 layer
How many layers does Stratified Epithelial have?
More than 1 layer
What does Simple Squamous allow?
Diffusion
Filtration
What is a function of Stratified Squamous?
Protection
What does Simple Cuboidal/Columnar allow?
Secretion
Absorption
What does Simple Cuboidal/Columnar sometimes have?
Villi
Cilia
Stratified Cuboidal/Columnar tissue is…
Rare in humans
Name 3 cells in the respiratory tract
Pseudostratified columnar cells
Cilia
Goblet cells
What is the structure of pseudostratified columnar cells
Single layer
Irregularly shaped
Thick in depth
What does cilia do
Works with mucus to move sputum upwards towards the throat to be swallowed or expectorated
What are goblet cells
Modified columnar epithelial cells