What is Anatomy? - study of structure and organization of the body
What is Physiology - Study of the functions of the body parts
Organization of the Human Body - Atom, molecule, cell, tissue, organ, organ system, organism
Midsagital (median) plane - divides the body into equal left and right halves
sagital plane (median plane) - Vertically divides the body into right and left sides
Transverse - Top and bottom
Frontal/Coronal - divides the body into anterior and posterior parts
What is homeostasis? - the ability to maintain a relatively stable internal environment in an ever-
changing outside world
Negative feedback loop - Mechanism by which hormonal systems function.
Positive feedback loop - Mechanism where more of the stressor is added ex: contractions during labor
Name the 4 tissues of the body - epithelial, connective, muscle, nervous
Receptor - protein that detects a signal molecule and performs an action in response
Effector - an organ or cell that acts in response to a stimulus.
, control center - Sends information to the hypothalamus of the brain
What tissue is bone made of? - osseous tissue
examples of long bones - humerus, radius, ulna, femur, tibia, fibula
examples of short bones - carpals and tarsals
examples of flat bone - sternum, ribs, cranial bones, scapula
Examples of an irregular bone - vertebrae and facial bones
examples of sesamoid bones - patella and pisiform
Sinus - cavity within a bone
Foramen - Round or oval opening through a bone
Meatus - Long tube like passage
Fossa - General term for any depression or cavity in a bone
What is an osteon - structural unit of compact bone
What is an osetocyte? - living bone cell- mature
What is the endosteum - lines the medullary cavity
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