EXCRETORY SYSTEM5/7/19

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DO NOW‣ How can an unbalanced diet disrupt

homeostasis in your body?

‣ Take out fecal donor evaluation

NORMAL SUGAR REGULATION IN BODY (HOMEOSTASIS)‣ https://massasoit.instructure.com/courses/

902777/pages/bioflix-homeostasis-regulating-blood-sugar

TYPE I DIABETES‣ Destroyed pancreatic cells cannot make

insulin

‣ 5-10% of cases of diabetes

‣ Causes: autoimmune, genetic or environmental

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TYPE 2 DIABETES‣ 90-95% of cases of diabetes

‣ Causes: lifestyle (insulin resistance), genetics

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OBESITY (RAISED BMI)‣ Abnormal or excessive fat accumulation in body

‣ At risk for:

‣ cardiovascular disease

‣ diabetes

‣ musculoskeletal disorders

‣ some cancers

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OBESITY EPIDEMIC‣ THINK CRITICALLY; THINK OUTSIDE THE

BOX. OBESITY IS A COMPLICATED PROBLEM

‣ 10 minutes

EXCRETORY SYSTEMCORNELL NOTES (PAGE 151)

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EXCRETORY SYSTEM‣ Role: To regulate water and solute content,

and to remove cellular wastes in the form of urine

‣ Urinary system: Kidney, ureter, bladder, urethra

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URINE‣ Liquid waste from cellular processes

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KIDNEY‣ Filters blood

‣ Removes waste products and excess fluid

‣ Reabsorbs solutes and water if necessary

KIDNEY STONES

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URETER‣ Tube that carries urine from kidney to

bladder

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BLADDER‣ Collects urine

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URETHRA‣ Tube that removes fluids from body

WRITTEN SUMMARY-BRIEFLY ANNOTATE THE READING. -SUMMARIZE THE READING IN THE NOTES IN THIS SECTION. -WHEN FINISHED, GLUE THIS ON PAGE 150 (UNDERNEATH DO NOW)

TASKS‣ Annotation + Summary

‣ Excretory system worksheet