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Transcript
Endocrine System
Tristan
Simon
Jake
Amanda
Overview
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The endocrine system is a radio. It is slower,
but it gets out to more people. The chemical
messages get to more cells.
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Endocrine- secretes hormones in to blood
stream and extracellular fluid
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Exocrine-secretes substance directly at the
target (Not important yet)
Endocrine Glands
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Pineal Gland
Hypothalamus
Pituitary
Thyroid/Parathyroid
Thymus
Adrenal Glands
Pancreas
Gonads (Ovaries and Testes)
pineal and hypothalamus
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Pineal- releases melatonin which
helps to regulate the biological
clock
Hypothalamus- regulates
pituitary gland. It makes the
hormones that are stored in the
pituitary gland
pituitary and thyroid/parathyroid
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Pituitary- Produces hormones
that regulate many other
endocrine glands.
Thyroid/Parathyroid- The thyroid
regulates metabolism. The
parathyroid regulates the amount
of sodium in the blood.
thymus and adrenal
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Thymus- During childhood, the
thymus stimulates T-cell
development
Adrenal- stimulates the
production of epinephrine and
norepinephrine to aid the body in
fight, flight, or, fright situations.
Pancreas

Pancreas- it produces insulin and
glucagon.
Gonads (and strife)
Ovaries- produce estrogen and
progesterone (in females).
Responsible for secondary sexual
development.
Testes- produce testosterone (in
males). Responsible for sperm
production and secondary sexual
development.
How the Hormones Work
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Most hormones work by binding to
receptors on the target cells.
Steroid hormones can enter a cell and alter
DNA sequences.
Non-Steroid hormones CAN’T enter a cell,
so they have to bind to receptors and use a
secondary messenger.
Hormones are secreted into extracellular
fluid, or directly into the blood stream.
Questions
1. What are glands? (define exocrine and endocrine)
A. Nostrils B. Muscles C. openings that secrete hormones
D. Ear Canals
2. What is a Hormone? Give an Example.
A. chemical message B. a hotdog C. farts
D. Pancreatic juice
3. Where is the Hypothalamus?
A. In the abdomen B. in the legs C. in the head D. the nose
4. How are steroid different from non-steroid hormones?
A. one is red and the other is blue B. one is round and the
other is square C. one is fat and the other is skinny D. one
can enter a cell and the other can’t.
More Questions
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5. What hormone/gland controls the fight, fright, or flight?
A. the adrenal gland/epinephrine B. The pineal gland
C.
the gonads D. the thyroid glands
6. Insulin is produced where?
A. Pancreas B. Hypothalamus C. Kidneys D. Ovaries
7. Where is sperm produced?
A. Ovaries B. Gonads C. Testes D. Hypothalamus
8. What is a target cell?
A. destination for a hormone B. a cell with a target on its
back C. where cells go to shop D. a chief cell
More Questions
9. What does the pancreas produce?
A. Bile B. insulin C. adrenaline D. amylase
10. What does the prefix “endo-” mean?
A. Outside B. Inside C. With D. Without
11. What does the prefix “exo-” mean?
A. Outside B. Inside C. With D. Without
12. What is the endocrine system do?
A. controls the release of hormones B. controls breathing
C. Regulate other organ systems
D. Blarphengarph
More Questions
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13. The hypothalamus does what?
A. regulates the pituitary B. Blarfengar C. Anne Smith D.
Smeagal
14. What does the bonded hormone do to the cell?
A. Modifies DNA in the nucleus B. The cytoplasm C.
The methane D. Ganglia.
15. Where do steroid hormones connect with their
receptors?
A. In the nucleus B. In the Pancreas C. In the cytoplasm
D. On the membrane
16. The exocrine glands secrete substances to where?
The bloodstream B. The urine C. The target zone D. The oil
in hair
17. The ovaries produce these two hormones….
Progesterone/Estrogen B. Progesterone/Testosterone C.
Estrogen/Testosterone D. ADH/Testosterone
More Questions
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18. The thyroid gland produces what?
A. Thyroxine B. Canterflumul C.
Menengitis D. Methane
19. The pineal gland produces what?
Melatonin B. Flagnarg C. La Mov D.
Cholera
20. Parathyroid glands produce what?
A. Parathyroid hormone B. Canterflumul
C. Methane D. La Mov
Answer key
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