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Homeostasis (full) - Coggle Diagram
Homeostasis (full)
SKIN
FUNCTIONS
EXCRETORY ORGAN
REGULATOR OF TEMP(MAIN FOCUS)
SENSORY ORGAN
SYNTHESIS OF VITAMIN D(HELPS WITH CALCIUM )
STRUCTURE
DERMIS
SUBCUTANEOUS
EPIDERMIS
HEAT GAIN AND HEAT LOSS : :
HEAT GAIN
ARTERIOLES
SWEAT GLANDS
ERECTOR MUSCLES
LIVER
SKELETAL MUSCLES
HEAT LOSS
ARTERIOLES
SWEAT GLANDS
ERECTOR MUSCLES
LIVER
SKELETAL MUSCLES
HOW IS BODY TEMPERATURE REGULATED
SKELETAL MUSCLES
VASODILATION
SWEAT PRODUCTION
METABOLIC RATE
RELAXATION OF HAIR ERECTILE MUSCLES
STORY: WHAT HAPPENS ON A HOT DAY
CORRECTIVE MECHANISM(VASODILATION OF ARTERIES ON SKIN SURFACE,INCREASED SWEST PRODUCTION,
RECEPTOR: TEMPERATURE RECEPTOR IN THE SKIN(ENVIRONMENT TEMP) AND HYPOTHALAMUS (INTERNAL TEMP) IS STIMULATED
STIMULUS: (BLOOD AND SKIN TEMPERATURE INCREASE)
STORY: WHAT HAPPENS ON A COLD DAY
RECEPTOR: TEMPERATURE RECEPTOR IN THE SKIN(ENVIRONMENT TEMP) AND HYPOTHALAMUS (INTERNAL TEMP) IS STIMULATED
STIMULUS: (BLOOD AND SKIN TEMP DECREASE)
FUN FACTS
AROUND 1.8M^2 ISH
LOSE AROUND 50KG OF SKIN FLAKES IN OUR LIVES
ARND 16KG
ELEPHANT ADAPTATION
RAYNUDS
what is homeostasis
A characteristic of life
GERRMANSH
REPRODUCTION
RESPIRATION
MOVEMENT
EXCRETION
ADAPTATION
GROWTH
NUTRITION
HOMEOSTASIS
SENSITIVITY
NEED FOR HOMEOSTASIS DRIVES BODY TO ADAPT (STRUCTURAL, BEHAVIOURAL)
DEFINITION
1)THE MAINTENANCE OF CONSTANT INTERNAL ENVIRONMENTS 2)WITHIN TOLERABLE LIMITS
E.G BODY TEMP AV. 36.9DEG
ENSURES THAT INTERNAL CONDIYIONS OF AN ORGANISM ARE KEPT CONSTANT ALL THE TIME
INTERNAL CONDITIONS TO BE KEPT THE SAME
TEMPERATURE
AFFECTS ENZYNES
PH LEVEL OF BODY FLUIDS
AFFECTS ENZYMES
WATER POTENTIAL OF BLOOD
SO CELLS DONT CRENATE OR LYSE
CONCENTRATION OF METABOLIC WASTE ("SO WE DONT GET SOAKED IN OUR OWN SHIT AND DIE")
CHEMICAL CONSTITUENTS IN BLOOD
CO2 AND O2 CONCENTRATION
BLOOD GLUCOSE LEVEL
CANNOT CHANGE TOO DRASTICSLLY OR DANGEROUS (DIABETIC EAT LOW GI FOOD IS SKOWER RELEASING GLUCOSE
2 COORDINATION SYSTENS
ENDOCRINE SYSTEM
NERVOUS SYSTEM
PRINCIPLE OF HOMEOSTASIS
FOR ANY HOMEOSTASIS TO OCCUR
RECEPTOR
NORM
CONTROL CENTRE
STIMULUS
EFFECTOR (CORRECTIVE MECHANISM)
POSITIVE EFFECT (OUT OF SYLLABUS)
LACTATION
LABOUR
NEGATIVE FEEDBACK