endocrine system mr. tognoni del webb ms. this presentation will cover: 1.endocrine system basics...
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PART 1: Endocrine System BasicsTRANSCRIPT
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ENDOCRINE
SYSTEMMr.
TognoniDel Webb
MS
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THIS PRESENTATION WILL COVER:
1. Endocrine System Basics
2. Label Endocrine System
3. Pituitary4. Pineal Body5. Hypothalamus
6. Thyroid7. Parathyroid8. Thymus9. Adrenals10.Pancreas11.Testes and
Ovaries
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PART 1:
Endocrine System
Basics
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The Endocrine System consists of all the glands in
the body which produce hormones
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Do you recognize any of these glands? Do you know what any of these glands
do?
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Hormones are powerful
chemicals your body
makes which regulate
various body functions
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Hormones are so
powerful that a SMALL
hormone level change can result in
a BIG medical problem
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Hormones do what?
• Regulate body growth
• Regulate metabolism• Give body
emergency energy• Regulate Blood
Sugar• Bring on secondary
sexual characteristics
• All sorts of important tasks!
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Endocrine glands
are located in the head, neck, and
trunk
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Endocrine glands all secrete
their hormones directly into the
bloodstream
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Hormones are instantly in your bloodstream when you need them
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The Endocrine System is very interesting, very
unique, and very confusing.
Let’s label the glands of the Endocrine System and then learn a little about each
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PART 2:
Label Endocrine System
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1.2.
8.
9.
3.
6.
4.
5.
10.
7.
PINEAL BODYHYPOTHALAMUS
OVARIES (female)
PANCREAS
THYROID
PARATHYROIDS
PITUITARY
THYMUS
ADRENALS
TESTES (male)
2. LABEL:
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Let’s look at each of these glands and see what hormones they
produce
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3. Pituitary Gland
• Located at the base of the brain
• Probably the most important Endocrine gland
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3. Pituitary Gland:
• Makes Human Growth Hormone (HGH)
• Has a major influence over most of the other endocrine glands
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3. Pituitary Gland: In other words,
problems with the Pituitary could cause other Endocrine glands, like the Ovaries, Thyroid, or Adrenals to not work correctly
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3. Pituitary Gland:
Growth hormone is responsible for your body reaching its proper height, size, and shape
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3. Pituitary Gland:
• Too much growth hormone can result in Giantism
• Too little growth hormone can result in Dwarfism
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PART 4:
Pineal Body
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4. Pineal Gland:
• Located deep in the brain
• Affects wake/sleep patterns and seasonal functions.
• Produces melatonin
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4. PinealGland: • A problem
with this gland might result in sleep problems
• Are you a “morning person” or a “night person?”
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4. Pineal Gland:
Some people will take melatonin pills to help them sleep
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5. Hypothalamus:
• Located above the Pituitary in the brain
• Affects body temperature, hunger, thirst, fatigue, and sleep.
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5. Hypothalamus:
Links the nervous system to the endocrine system with the pituitary gland
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5. Hypothalamus:
Pituitary
Since the Hypothalamus works so closely with the Pituitary, a problem here could affect several other Endocrine glands… (in addition to body temperature, hunger, thirst, fatigue, and sleep)
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PART 6:
Thymus Gland
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6. Thymus Gland:
• Located in the upper chest
• Helps the body fight infections
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6. Thymus Gland:
• Largest and most active during early childhood, before puberty
• Begins to shrink (atrophy) during adolescence
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7. Thyroid Gland:
Located in the neck below the larynx and in front of the trachea (windpipe)
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7. Thyroid Gland:
• Regulates the rate of metabolism
• Controls how quickly the body uses energy, makes proteins, and controls how sensitive the body should be to other hormones.
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Metabolism Examples:
• Slow Metabolism
• Normal Metabolism
• Fast Metabolism
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7. Thyroid Gland:
An over-active thyroid results in:– Jitteriness, shaking, increased
nervousness, irritability – Rapid heart beat or palpitations – Feeling hot –Weight loss – Fatigue, feeling exhausted –More frequent bowel movements – Shorter or lighter menstrual
periods
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7. Thyroid Gland:
An under-active thyroid results in:– Fatigue or lack of energy –Weight gain – Feeling cold – Dry skin and hair – Heavy menstrual
periods – Constipation – Slowed thinking
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7. Thyroid Gland:
• Iodine is essential in the diet to keep the thyroid healthy
• Iodine is added to table salt for this reason
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PART 8: The Parathyroid Glands
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8. Parathyroids:
Located within the Thyroid Gland
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8. Parathyroids:Control the amount of calcium in the blood and within the bones
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9. Adrenal Glands:
• Located on top of the kidneys
• Produce:–Adrenalin–Cortisone
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9. Adrenal Glands:
Adrenalin is the body’s emergency “Fight-or-Flight” hormone
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9. Adrenal Glands:
Cortisone helps body to heal, reduce swelling
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10. Pancreas:
• Island of Langerhans inside the pancreas produce insulin
• Insulin is needed for the body’s cells to use blood sugar
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10. Pancreas:• Diabetes:
High blood sugar, not enough insulin
• Diabetes is the 7th Leading Cause of death in the US
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Diabetes is the 7th Leading Cause of Death
in the US
LEADING CAUSES OF DEATH:1) Heart Disease approx 600,000 deaths2) Cancer 575,0003) Chronic Lower Respiratory Diseases (Lungs)
138,0004) Stroke 130,0005) Accidents 118,0006) Alzheimer's Disease 83,0007) Diabetes 69,0008) Kidney Disease 51,0009) Influenza and Pneumonia 50,00010) Suicide 38,000
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PART 11:Testes
and Ovaries
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11. Testes and Ovaries:
The Gonads are the Testes in males and the Ovaries in females
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11. Testes:• In Males
• Produce hormone Testosterone
• Responsible for secondary sexual characteristics in males
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11. Testes:Secondary sexual characteristics in males:– Facial and Underarm
Hair– Change in voice– Growth of pubic hair– Body Growth– Growth of reproductive
organs– Coarser, rougher skin– Acne
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11. Ovaries:• In Females
• Estrogen: secondary sexual characteristics in females
• Progesterone: Menstrual cycle
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11. Ovaries:• Secondary sexual
characteristics in females:
– Pubic hair– Breast development–Hips get broader– Softer, smoother skin–Onset of
menstruation–Higher voice
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Thanks for taking
notes and listening