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47 Cards in this Set
- Front
- Back
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anatomy
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structure or morphology of body parts, forms and organization
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physiology
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functions of the body, what they are and how they do it
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human organism
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all parts of the body together
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atoms
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tiny particles of which chemicals are made out of
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molecules
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atoms that are bound together to form larger units
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macromolecules
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small molecules bound together
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cell
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basic unit of structure and function
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organelles
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structures within a cell that carry on specific activities
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tissue
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group of cells that are layered into masses that have common functions
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organs
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groups of tissues; complex structures with organized functions
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organ systems
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groups of organs that function closely together
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organism
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has interacting organ systems that make it up
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metabolism
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physical and chemical events that release and utilize energy
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requirements of organisms
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water, food, oxygen, heat, pressure
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cells
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smallest living units
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homeostasis
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the body's (or cells) maintenence of a stable internal environment
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homeostatic mechanisms
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self-regulating control systems that help the body maintain homeostasis
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receptors
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provide info about specific conditions (stimuli)in the internal environment
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control center
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tells what a particular value should be (body temp @ 98.6)
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Effectors
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ex: muscles or glands
cause responses that alter conditions in the internal environment |
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3 components of homeostatic mechanisms
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receptors, control center with a set point, effectors
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negative feedback
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when effectors are activated to return conditions to normal and when conditions are, the effectors are shut down
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axial portion
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head, neck, and trunk
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appendicular portion
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upper and lower limbs
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2 cavities within axial portion
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dorsal and ventral cavity
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organs within the dorsal and ventral cavity
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viscera
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2 subdivisions of the dorsal cavity
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cranial cavity
vertebral cavity |
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cavity which houses the brain
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cranial cavity
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cavity which contains spinal cord and is surrounded by sections of backbone (vertebrae)
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vertebral cavity
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2 subdivisiions of the ventral cavity
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thoracic cavity
abdominopelvic cavity |
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muscle which seperates the thoracic and abdominopelvic cavity
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diaphragm
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region between the lungs which seperates the thorax into 2 parts which contain R & L lungs
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mediastinum
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thoracic viscera within the mediastinum
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heart, esophagus, trachea, thymus gland
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portions of the abdominopelvic cavity
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upper abdominal and lower pelvic portion
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where are the upper abdominal and lower pelvic portions of the abdominopelvic cavity located?
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from the diaphram to floor of the pelvis
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what does the wall of the abdominopelvic cavity consist of?
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skin, skeletal muscles and bone
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viscera of the abdominal cavity
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stomach, liver, spleen, gallbladder and large and small intestines
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portion of the abdominopelvic cavity enclosed by pelvic bones
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pelvic cavity
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contents of the pelvic cavity
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terminal end of large intestine, the urinary bladder, the internal reproductive organs
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smaller cavities within the head
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oral cavity
nasal cavity orbital cavity middle ear cavity |
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cavity containing tounge and teeth
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oral
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cavity within the nose divided into R & L portions by a nasal septum
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nasal cavity
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cavity containing eyes and associated skeletal muscles and nerves
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orbital cavity
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cavity containing middle ear bones
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middle ear cavity
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air-filled sinuses are connected to which cavity?
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nasal
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sinuses connected to nasal cavity (names)
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sphenoidal and frontal
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serous membranes
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membranes that line the walls of the thoracic and abdominal cavities and fold back to cover the organs within
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