Chapter 1 Flashcards
What is anatomy and physiology
The study of the structures and function of the body
What is the principle of complementarity?
Structure and function reflect each other
Six levels of organization
Chemical Cellular Tissue Organ Organ system Organismal
Chemical level?
Non living
Made of atoms or molecules(atoms put together)
Molecular level
1st living level
Molecules join to produce cells
What is tissue level
Groups of cells and materials surrounding them
I.e. Connective, muscular, nervous
Organ level
Tissues join to form organs
Two or more types of tissues performing specific function
Organ system?
Related organs serving common functions
What are the 11 organ systems?
Endocrine Nervous Digestive Respiratory Urinary Reproductive Cardiovascular Integumentary Lymphatic Muscular Skeletal
What are basic survival needs?
Water O2 Food Normal body temp Normal atmospheric pressure
What is homeostasis?
Maintenance of stable internal conditions despite changes in environment
What is a negative feedback loop
Reverses a change in a controlled condition
How do we maintain homestasis? What are steps
1stimulus 2receptor 3input 4control center 5 output 6response
Signs are?
Objective.ie fever
Symptoms are
Objective i.e. Headache
