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DO NOW: 1. Pick up a half sheet of paper and a green book. 2. Turn to page 516 3. Read “The cause of Acne” 4. Answer the following question: How would you explain to a friend what causes acne?. Do Now: 1/22.

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Do Now: 1/22

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  1. DO NOW:1. Pick up a half sheet of paper and a green book. 2. Turn to page 516 3. Read “The cause of Acne” 4. Answer the following question: How would you explain to a friend what causes acne?

  2. Do Now: 1/22

  3. Progress Reports 1. Grade at the top2. Missing work? You can make up any assignment except “Building relationships” 3. All make up work available on trailblazer website. 4. Genetic Disorder projects

  4. Vote for QuizMonday or Tuesday

  5. Freeze!1. Why is it important for players in this game to respond to signals?2. What are some ways the human body uses signals internally?

  6. Homeostasis & the Endocrine System

  7. Endocrine System Function- to maintain homeostasis by regulating chemical signals throughout the body

  8. Homeostasis In order to adapt & survive, the human body must stay in a state of homeostasis.

  9. Hunger & thirst are examples of a homeostasis mechanism in an organism.

  10. Homeostasis in the human body includes the regulation of:

  11. -oxygen & carbon dioxide levels -nutrient & waste product levels -water balance -body temperature

  12. The Endocrine System -Consists of glands that produce chemical messengers called hormones.

  13. -Hormones are released directly into the bloodstream where they are carried to other parts of the body.

  14. -Hormones turn on, turn off, speed up or slow down the activities of certain organs, tissues or cells.

  15. End of notes

  16. Types of glands…

  17. Pituitary Gland • This is considered the “master gland”. • Secretes hormones that control other glands.

  18. Pineal Gland • Located in the middle of the brain. • Secretes melatonin. • Helps to regulate when you sleep at night and when you wake up in the morning.

  19. Thyroid Gland • Located in the front of the lower neck. • Secretes thyroxine and triiodothyronine. • Controls the rate at which our cells burn food to produce energy.

  20. Adrenal Gland • Two glands: one found on top of each kidney. • Produces corticosteroids and catecholamines (adrenaline). • Controls the body’s response to stress.

  21. Reproductive Glands • Hormones secreted are called Gonads. • Males produce hormones called androgens, most importantly testosterone. • Females produce estrogen and progesterone. • Controls the changes associated with puberty and pregnancy.

  22. Pancreas • Long, flat gland found in the belly, not technically part of the endocrine system. • Produces insulin and glucagon. • Helps control the levels of glucose in the body.

  23. Write 2 paragraphs about the endocrine system

  24. Do Now: 1/22

  25. Do Now: 1. Take out your worksheet from yesterday 2. Flip to the “Enrich” side3. Read the paragraph about Urinalysis 4. Answer the question below on a half sheet: Describe how a urine test is done and how the dipstick works.

  26. Do Now: 1/22

  27. Options for group study1. You must study with a group of no more than 3 people and remain at appropriate noise level. Study options *You can make flash cards and quiz your partner * You can explore the online site to review with your partner * You can complete the study guide posted online * You can review the powerpoints and notes posted on Edmodo.

  28. Draw it out!!!

  29. Draw and label the urinary system

  30. Draw a picture of how hormones are transported

  31. Draw a picture of Gas exchange

  32. Draw a picture of chemical and mechanical digestion

  33. Draw a picture describing blood flow of the heart

  34. FYI: Common disorders of the endocrine system:

  35. Diabetes:Occurs when the body cannot produce enough insulin to process glucose so sugar builds up in the blood stream.

  36. Thyroid hormones:The thyroid secretes the hormones that control the bodies metabolism.

  37. Thyroid hormones:The thyroid secretes the hormones that control the bodies metabolism.

  38. Hyperthyroidism:The thyroid secretes too many hormones so metabolism speeds up.

  39. Hypothyroidism:The thyroid does not secrete enough hormones so metabolism slows down.

  40. Growth hormones:Pituitary gland secretes hormones that control the rate & amount a person grows.

  41. Giantism: Too many growth hormones lead to excess growth.Dwarfism: Not enough growth hormones stunts growth.

  42. Do Now: 1. Take out your notes or book and study for the quiz

  43. Responding to signaling. 1.

  44. Do Now: 1/22

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