First lecture Flashcards
Two branches of science?
Anatomy and Physiology
Anatomy is?
The study of structure and the relationships among structures. Lock and Key
Physiology deals with?
The functions of the body parts: that is, how they work. How the key makes the tumblers unlock.
Physiology is _________. Anatomy is _________.
Medicine; Surgery
What are the levels of organization?
1) Chemical Level
2) Cellular Level
3) Tissue Level
4) Organ Level
5) Organismic Level
What is the Chemical Level
The level of organization with the smallest components. Includes all atoms and molecules in the body.
Describe the Cellular level
Molecules combine to form the Cellular Level. Cells are the basic structural and functional unit of an organism.
What are the structural and functional components of cells
Organelles
Tissue level: how is tissue made
Tissues are groups of cell that usually arise from a common ancestor and work together to preform a particular function.
What are the basic types of tissues in the body?
Epithelial, Connective, Muscle, Nervous
What is the function of Epithelial tissue
Cover body surfaces, Lines hollow organs, body cavities and ducts.
Connective tissue does what
Protects and supports the body and its organs. Binds organs together, stores energy reserves as fat and provides immunity.
What are muscle tissue responsible for
Movement and generation of force
Nervous tissue functions include
Initiates and transcripts action potential that help coordinate body activities
Organ level is made up of
Different kinds of tissues that combine to make different organs that are through out the body