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The Endocrine System. Chapter 35.3 Coordination of body systems by Chemical control of hormones. NERVOUS ENDOCRINE. Stimuli-response Rapid response Short time Stimuli-response Slow response Lasts long time Both=HOMEOSTASIS. I A. Systems that chemically coordinate the body:.

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the endocrine system

The Endocrine System

Chapter 35.3

Coordination of body systems by

Chemical control of hormones

i a systems that chemically coordinate the body
NERVOUS

ENDOCRINE

Stimuli-response

Rapid response

Short time

Stimuli-response

Slow response

Lasts long time

Both=HOMEOSTASIS

I A. Systems that chemically coordinate the body:
b components of the endocrine system
B.Components of the Endocrine system

Pituitary

Thyroid

Thymus

Adrenal

Pancreas

Ovaries

Testes

1. Glands make ?

Hormones or chemical messengers

2. Travel through ?

Blood stream

(Ductless glands)

3. To where ?

Specific Target Organs

examples of hormones glands
Examples of hormones & glands...
  • Mammary glands

prolactin

  • Ovaries make

estrogen

  • Testes make

testosterone

  • Adrenal make

adrenaline

iia hypothalamus brain area that controls the master gland pituitary
IIA.Hypothalamus: Brain area that controls the Master Gland: Pituitary

Also controls oxytocin for uterus contraction

& ADH for water balance in the kidneys

pituitary the master gland that controls other endocrine glands
Pituitary:The Master Gland that controls other endocrine glands

Makes

  • TSH Thyroid hormone for

metabolism

  • LH & FSH for

Reproduction

  • GH Growth hormone
  • Adrenal hormone
adrenal medulla makes epinephrine norepinepthrine
Adrenal Medulla makes epinephrine & norepinepthrine
  • Adrenal gland sits on top of the kidney
  • Controls “fight or flight” response
  • Superhuman strength @ adrenaline
pancreas regulates sugar balance
Pancreas: Regulates sugar balance
  • Insulin =

sugar into cells

  • Glucagon =

sugar leaves the liver

insulin sources for diabetics
Insulin sources for diabetics :
  • From domestic livestock
  • Genetically engineered bacteria
feed back loop
High Blood sugar

Pancreas makes insulin

Sugar enters the cells

Blood sugar lowered

Low Blood sugar

Pancreas makes

glucagon

Sugar leaves the liver

Blood sugar is increased

Feed back loop . . . . . . .
slide12

High Blood sugar

Glucagon

Releases

Sugar

From

liver

Pancreas makes Insulin

Cell needs

sugar

Low

Blood

Sugar

= Sugar goes into the cell

thyroid controls metabolism with thyroxine hormone
Thyroid: controls metabolism with thyroxine hormone
  • Pituitary gland controls the thyroid with TSH
  • Iodine is important for the thyroid tissue
  • Goiter results from lack of iodine