Lecture 1 : Slides Flashcards
(85 cards)
Chemical Level
the atoms and molecules that make up
the basic components of the cell.
Cellular Level
the basic building blocks of tissues.
Tissue Level
made up of similar cells with a common
funcion.
Four basic types of tissue
Epithelial
Muscle
Connecive
Nervous
Organ Level
two or more tissue types that perform a
specific function for the body
System Level
muliple organs that work together to
accomplish a common purpose
Organismal level
the sum total of the
structural levels working together.
4 Characteristics that describe living things
- Energy production and Consumption
- Growth and repair
- Adaptation
- Reproduction
Cells -
Building blocks of tissue
basic shared components of all cells
- Membrane
- Geneic material
- Cytosolic fluid
Human cells contain
• Membrane-bound organelles leading to
compartmentalizaion and complexity
• Gene expression leading to specialization
Cell differentiation-
The distinct specialization in the function of cells
All cells during early development
start of as
toipotent (stem cells)
Metabolism
the whole sum of reactions throughout the body that provide the body with energy.
This energy gets used for vital processes and the synthesis of new organic material
Anabolism
building large molecules from small molecules
Catabolism
breaking large molecules into small molecules
Growth and Repair
- Increasing size and specialization depending on form and function
- Mechanisms to fix malfunctioning cells
Energy Producion and consumption
Producing energy & using it to do things
E.g - Metabolism
Adaptaion
Responsiveness and Homeostasis
Responsiveness
ability to sense and react to simuli (change) in the environment
Homeostasis
ability to maintain a constant internal environment
Reproducion
- Replicaion of cells for growth and repair (cellular level)
* Create new organisms (organismal level)
Tissues
Cells related in structure to perform a related function
Epithelium tissue is used for
Covering
