Module 2 Organisations Of The Human Body Flashcards
What are the 8 different levels of the human body?
- Atoms
- Molecules
- Organelles
- Cellular level
- Tissue level
- Organ level
- Organ system level
- Organism level
What defines a tissue?
A group of similar cells ans extra cellular products that perform a common function
E.g. smooth muscle tissue
What is the name for the study of tissues?
Histology
What are the 4 major tissue types and their functions?
- Epithelial: covers body surfaces, lines cavities ans forms glands
- Nervous: receives, transmits ans integrates information to control body activity
- Muscle: movement
- Connective: supports other tissues
What can the ECM contain?
- Proteins
- Salts
- H²O
- Dissolved macromolecules
What does ECM stand for?
Extracellular matrix
Where is the ECM formed?
Outside the cells of a specific tissue
What are the 7 features of the ECM?
Hint: FELPIFF
- Fibronectin
- Elastic fibers
- Laminin
- Proteoglycan
- Integrin
- Fibril associated collagen
- Fibrillation collagen
Give an example of the ECM responding to a stressor
When injured the ECM will create more collagen to make scar tissue
What has more ECM, connective tissue or muscle tissue?
Connective tissue.
Muscle tissue has very little and is held together with connective tissue
What is is called when there’s a difference in sides of tissues?
Polar
What is the job of the cilia and where are they found?
Found in the respiratory tract and capture pathogen and dirt
Where are microvili found and what is their function?
Gastrointestinal tract and increase surface area to increase nutrient absorption
What does avascular mean?
No blood supply
How is the epithelial attached to the connective tissue?
By proteins, this aids in protection