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
What do goblet cells do
Secretes mucus
What does the simple squamous epithelium do
Lines organs
Forms capillaries and alveoli
Name examples of connective tissue
Tendons
Ligaments
Bones
Cartilage
Fat
Blood
Name functions of connective tissue
Supports and strengthens other tissues
Protects and insulates organs
Divides structures
Provides transport systems
Stores energy reserves
Site of immune responses
Name 3 classes of connective tissue
Connective tissue proper
Supporting connective tissue
Fluid connective tissue
What is connective tissue proper
Loose or dense connective tissue
What is supporting connective tissue
Cartilage and bone
What is fluid connective tissue
Blood
What do fibroblasts do
Secretes fibres and ground substances
