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Definition
Why study?Jobs
Human
Anatomy
and
Physiology
Anatomy – branch of science that deals with the structure of body parts, their forms, and how they are organizedPhysiology – the functions of body parts
Levels of OrganizationLevels of Organization
►What is the simplest level?What is the simplest level?
Characteristics of LifeCharacteristics of Life
►What do all living things do?What do all living things do?
Maintenance of LifeMaintenance of Life►What do we need to live?What do we need to live?►Water – transports & regulate Water – transports & regulate
temperaturetemperature►Food – nutrients for energy & buildingFood – nutrients for energy & building►Oxygen – drives metabolic processesOxygen – drives metabolic processes►Heat – determines rate of reactionsHeat – determines rate of reactions►Pressure –Pressure – forces blood thru vesselsforces blood thru vessels
HomeostasisHomeostasis
►Stable internal environmentStable internal environment►Homeostatic mechanismsHomeostatic mechanisms
Receptors - provide infoReceptors - provide info Set-point - correct valueSet-point - correct value Effectors – causes response Effectors – causes response
Positive vs. NegativePositive vs. Negative
►Negative FeedbackNegative Feedback Back to normal rangeBack to normal range
►Regulate body tempRegulate body temp►Breathing heavyBreathing heavy►Hungry or thirstyHungry or thirsty
►Positive FeedbackPositive Feedback Beyond the normal rangeBeyond the normal range
►Blood clottingBlood clotting►Breast feeding Breast feeding
How is your body like How is your body like the thermostat in a the thermostat in a
room?room?Use the terms: Use the terms:
HomeostasisHomeostasis
Set pointSet point
EffectorsEffectors
ReceptorsReceptors
StimulusStimulus
Body CavitiesBody Cavities
CranialCranial Skull, brainSkull, brain
VertebralVertebral Spinal cord, Spinal cord, vertebraevertebrae
ThoracicThoracic Lungs, heart, Lungs, heart, esophagusesophagus
AbdominalAbdominal Stomach, liver, Stomach, liver, kidneys, small kidneys, small intestinesintestines
PelvicPelvic Bladder, Bladder, reproductive reproductive organs, large organs, large intestinesintestines
Abdominopelvic
Body Cavities ReviewBody Cavities Review
BODY CAVITYBODY CAVITY► CranialCranial
► VertebralVertebral
► ThoracicThoracic
► AbdominalAbdominal
► PelvicPelvic
INCLUDES…INCLUDES…► Skull, brainSkull, brain
► Spinal cord, vertebraeSpinal cord, vertebrae
► Lungs, heart, Lungs, heart, esophagusesophagus
► Stomach, liver, kidneys, Stomach, liver, kidneys, small intestinessmall intestines
► Bladder, reproductive Bladder, reproductive organs, large intestinesorgans, large intestines
Body CavitiesBody Cavities
Organ Systems