Chapter 1 A&P Intro Flashcards
Physiology
study of systems and how structures work
Anatomy
study of internal and external structures
Macroscopic Anatomy
Gross anatomy; Surface, Regional, Systemic
Microscopic
study of smallest structures of the body
Cytology
study of cells
Histology
study of microscopic structure of tissues
Chemical Level
atoms combine to form molecules
Cellular Level
Molecules combine to form cells
Tissue Level
cells combine to form tissues
Organ level
tissue combines to form organs
Homeostasis regulation relies on
receptor, control center, effector
Receptor (homeostasis)
registers something happened
control center (homestasis)
processes what happened and determines what to do
effector (homeostasis)
responds to event
Negative feedback loop
something happens in body and body wants to stop it/do the opposite
positive feedback loop
initial stimulus produces response that reinforces that stimulus
caudal
towards feet
cranial
towards heads
dorsal
towards back
ventral
towards front
transverse
cross section
frontal
posterior/anterior
sagittal
left/right
visceral
lining the organ
parietal
lining the wall around the organ
Thoracic Cavity
Pericardial cavity, left pleural cavity, right pleural cavity
Abdominopelvic Cavity
Abdominal cavity, peritoneal cavity
midsagittal plane
even left/right
Organ System Level
organs working together for a system
Organism Level
organ systems working together to maintain life
