Cell Function & Body Systems Flashcards

1
Q

Define

physiology

A

explain physical and chemical processes for the origin, development, and progression of life

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2
Q

functional organization of body

A

cells<tissues<organs<systems

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3
Q

define

gross anatomy

A

macroscopic examination of structures of the human body

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4
Q

goals of gross anatomy

A
  • define the 3-D relationship of structures in the human body
  • define the functional relationship between structures in the human body
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5
Q

structures of integumentary system

A
  • skin
  • hair
  • nails
  • sweat glands
  • subcutaneous tissue (fat)
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6
Q

function

integumentary system

A
  • body’s outer protective covering
  • extensive sensory organ (via connections with nervous system)
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7
Q

structures of skeletal system

A

bones & cartilage

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8
Q

function

skeletal system

A
  • shape & support of body
  • protect vital organs
  • storage of minerals
  • attachments for muscles
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9
Q

structures of articular system

A

joints & ligaments

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10
Q

functions

articular system

A
  • connect bony parts of skeletal system
  • provide sites of movement
  • confers stability in non-moveable joints
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11
Q

structures of muscular system (types)

A
  • skeletal muscle
  • smooth muscle
  • cardiac muscle
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12
Q

functions

muscular system

A
  • skeletal muscle contracts to move body parts
  • smooth/cardiac muscle contract to propel, expel, or control flow of fluids in hollow organs
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13
Q

Primary Divisions of Nervous system

A
  • CNS (brain & SC)
  • peripheral NS (nerves & ganglia)
  • Autonomic NS (sympathetic, parasympathetic, enteric)
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14
Q

functions

nervous system

A
  • control & coordinate functions of organ systems
  • CNS - relay center and control of sensory & motor pathways
  • PNS - send & receive motor & sensory info to body systems and from CNS
  • ANS - unconscious functions (sympathetics fight/flight; parasympathetics rest/digest)
  • special senses - smell, sight, taste, hearing
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15
Q

function

circulatory system

A

transport of body fluids

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16
Q

two circulatory systems

A

cardiovascular & lymphatic

17
Q

structures of cardiovascular system

A
  • heart
  • arteries
  • veins
  • capillaries
18
Q

functions

cardiovascular system

A
  • heart & vessels conduct blood thorugh body
  • delivery of O2, nutrients, hormones to cells
  • removal of waste products from cells
19
Q

structures of lymphatic system

A
  • lymph nodes
  • lymphatic vessels
  • spleen
  • thymus
  • bone marrow
20
Q

functions

lymphatic system

A
  • withdraw excessive tissue fluid from intracellular fluid compartment
  • lymph nodes filter lymph
  • lymph vessels return lymph to blood stream
  • produces immune cells
21
Q

structures of digestive system

A
  • oral cavity & salivary glands
  • esophagus
  • stomach
  • liver
  • gallbladder
  • pancreas
  • SI
  • LI
  • anus
22
Q

functions

digestive system

A
  • mastication
  • swallowing
  • digestion
  • absorption of nutrients
  • elimination of solid waste
23
Q

structures of respiratory system

A
  • nose
  • nasal cavity & sinuses
  • mouth
  • larynx
  • trachea
  • bronchi & alveoli
  • lungs
24
Q

functions

respiratory system

A
  • transport & delivery of O2
  • elimination of CO2
25
Q

structures of urinary system

A
  • kidneys
  • ureters
  • bladder
  • urethra
26
Q

functions

urinary system

A

filter blood to produce, transport, store, and eliminate liquid waste (urine)

27
Q

structures of reproductive system

A
  • gonads (ovaries/testes)
  • ducts
  • genitalia
  • uterus
28
Q

functions

reproductive system

A
  • produce gametes (oocytes & sperm)
  • conception
  • houses & nourishes fetus (uterus)
29
Q

structures of endocrine system

A
  • hypothalamus
  • pineal gland
  • pituitary
  • thyroid & parathyroid
  • thymus
  • adrenal
  • pancreas
  • ovaries
  • testes
30
Q

function

endocrine system

A

produce hormones that regulate function of organ systems

31
Q

basic functional unit

A

cell

32
Q

common functions of all cells

A
  • process O2 -> energy
  • energy production
  • deliver metabolic end products to surrounding cells
  • replication (mitosis/meiosis)
33
Q

what % of the human body is fluid?

A

60%

34
Q

% of fluid ICF/ECF

A

ICF - 70% of fluid
ECF - 30% of fluid

35
Q

define

homeostasis

A

maintenance of nearly constant conditions in “internal environment”

36
Q

genetic control systems function

A

operate in all cells to control intracellular and extracellular function

37
Q

organ control systems function

A

control environment within organs as well as to control interrelations between organs

38
Q

examples of organ control systems

A
  • respiratory system - regulate amount of CO2 in ECF
  • liver/pancreas - regulate [] of glucose in ECF
  • kidneys - regulate [] of H, Na, K, phosphate, other ions in ECF