Homeostasis correct answers "Dynamic steady state" Narrow limits and fluctuations around the
"set point"
% of Intracellular fluid in the body correct answers 67%
% of Extracellular fluid in the body correct answers Interstitial fluid (26%) Blood Plasma (7%)
The Four Tissue Types correct answers Epithelial, Connective, Muscle, Nervous
Epithelial Tissue correct answers 1. Covers exposed surfaces
2. Lines internal passageways
3. Forms glands
Hydrogen and Oxygen combine via: correct answers Polar Covalent Bonds
Hydrogen's Importance to Life correct answers - Is a solvent
- It Ionizes to form Electrolytes
- Has a high heat capacity
- Lubrication
- Cushioning
What does Hydrolysis do? correct answers Reverses the steps of dehydration synthesis
Electrolytes correct answers - Hydrogen (H+)
- Sodium (Na+)
- Potassium (K+)
- Chlorine (Cl-)
- Magnesium (Mg2+)
- Calcium (Ca2+)
Functions of Epithelial Tissue correct answers - Protection
- Exchange
- Secretion
- Absorption
Characteristics of Epithelial Tissue correct answers - Presence of CELL JUNCTIONS
- Polarity of the apical and basal surfaces
- Attachment of the Basal Lamina to the Basement Membrane
- Avascularity
- Regenerative
What is the purpose of the Basement Membrane? correct answers Attaches epithelial tissue to
connective tissue
, Types of Intracellular Junctions: correct answers - Desmosomes
- Hemidesmosomes
- Tight Junctions: No space
- Gap Junctions: Space
Desmosomes correct answers Cell to CELL
Hemidesmosomes correct answers Cell to BASEMENT MEMBRANE
Epithelium by LAYERS correct answers - Simple
- Stratified
Epithelium by SHAPES correct answers - Squamos
- Cuboidal
- Columnar
Connective Tissue is made up of: correct answers - Cells
- Non-living extracellular matrix
Functions of Connective Tissue correct answers - Binding
- Support
- Protection
- Insulation
Connective Tissue consists of specialized cells: correct answers - Fibroblasts: Make fibers
- Chondroblasts: Cartilage
- Osteoblasts: Bone
Matrix determines function and is made up of: correct answers - Protein Fibers
- Polysaccharide ground substance
Types of Fibers correct answers - Collagenous
- Elastic
- Reticular
Collagenous Fibers correct answers (Collagen) Stable, triple helix, High tensile strength
Elastic Fibers correct answers (Elastin) Random coils, extensibility
Reticular Fibers correct answers (Reticulin=TypeIII Collagen) Supports individual cells of
different organs, delicate network
Ground Substance is made of: correct answers - Interstitial fluid
- Adhesion proteins
- Proteoglycans "GAGs"