Exam 1 Flashcards
Macroscopic Anatomy
Structures seen with the bare eye
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Macroscopic Anatomy Subdivisions
Regional, System, surface
Microscopic Anatomy
Structures needed to be seen with aided eye
Microscopic Anatomy Subdivisions
Cytology and Histology
What is the principle of complementary of structure and function?
Function and structure depend on each other
Survival needs of body
Nutrients, oxygen, atmospheric pressure, body temp, water
Cell organization levels
Cell, tissue, organ, organ system, organism
11 organ systems of the body
Integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, reproductive
characteristics of life
Movement, responsiveness, growth, reproduction, respiration, digestion, excretion
Homeostasis
The body’s ability to maintain internal state with external changes happening
Equilibrium
A state in which opposing forces or influences are balanced
Receptor
Area on dendrite that receives signal form another neuron
Control center
Processes the signal and sends instructions
Effector
An organ or cell that acts in response to stimulus
Feedback loop
Receiver communicates with sender informing weather if message was successful
Positive feedback
Magnify a process or increase its output
Negative feedback
Stimulus initiates reactions that reduce stimulus
Anatomical Position
Arms at sides and palms of the hands toward forward
inferior
Lower on the body; away from head
Superior
Toward head
Sagital Plane
Divides body into left and right
Parasagittal plane
Unequal L/R
Medial
Midline
Frontal (Coronal) plane
Front and back cut
