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38 Cards in this Set

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  • Back
Anatomy
study of the structure and hsape of the body and body parts and their relationship to one another
Gross anatomy
large, easily observable structures
microscoptic anatomy
small structures
Physiology
study of how the body and its parts work or function
The relationship between anatomy and physiology is that __.
structure determines what functions can take place.
Levels of structural organization
Atoms and molecules
Cells
Tissues
Organs
Organ system
Organism
Integumentary system
skin
skeletal system
bones
muscular system
muscles
nervous system
nerves, brain, spinal cord
endocrine system
hormones, glands
circulatory system inclues ___ and ___.
cardiovascular system and lymphatic system
respiratory system
lungs, trachea
digestive system
stomach, esophagus, intestines
urinary system
kidney, bladder, urethra
reproductive system
ovaries, testes
What are the necessary Life Functions
Maintaining boundaries
Movement
Responsiveness or irritability
Digestion
Metabolism
Excretion
Reproduction
Growth
Maintaining life boundaries
deals with keeping things inside and outside the body
metabolism
refers to all chemical reactions that occure within body cells
What are the survival needs?
Nutrients
Oxygen
Water
Body temperature
Atmospheric pressure
Define survival needs
must be present in appropriate amounts
Define homeostasis
Body's ability to maintain relatively stable internal conditions in a changing environment
Receptor
responds to stimuli and sends message to control center
Control center
analyzes and determines response
Effector
Provides means for the control center's response
Most control mechanisms are ___ feedback mechanisms which will shut off or reduce the intensity of the original stimulus
negative
What are the homeostatic control mechanisms?
Receptor
Control center
Effector
Most diseases or abnormal conditions are the result of _____.
homeostatic imbalance
Anatomical position
body is standing erect with arms at the sides and the palms of the hands facing forward
Regional terms
body landmarks
Directional terms
Explain exactly where one body part is in relation to another
Section
cut
Plane
imaginary line for the secion
Sagittal section
lengtwise dividing body into left and right parts
Frontal section
lengthwise dividing body into anterior and posterior
Transverse section
divides body into superior and inferior parts
Dorsal (posterior) cavity
subdivided into carnial cavity (brain) and spinal cavity, very well protected by bone
Ventral cavity
Subdivided into thoracic cavity (heart, lungs) and abdominopelvic cavity (digestive, urinary, reproductive organs) by the diaphragm, not as well protected as dorsal cavity