#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 Warm UP#38 Warm UP

How might you explain

the changes in blood glucose in the graph?

How might you explain

the changes in blood glucose in the graph?

Take out your workbook

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

What does normal blood-glucose look like?

What does normal blood-glucose look like?

• Dynamic equilibrium describes the small corrections that normally keep the internal environment within the limits needed for survival (this applies to temperature also

meals

} dynamic equilibrium

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

• Disease: any change, other than injury, that disrupts the normal functions of the body

• Causes of disease:– Inherited from parents– Materials in environment– Personal behavior/nutrition– Pathogens (bacteria, fungus, viruses)

What is a disease?What is a disease?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

Disruptions of Homeostasis Disruptions of Homeostasis

Watch the video and try to answer these questions:

DIABETES

1. What are the types of diabetes?

2. What causes diabetes?

3. How does diabetes affect homeostasis?

OBESITY

1. What are the causes of obesity?

2. How does obesity affect homeostasis?

CANCER

1. What is cancer?

2. What are the causes of cancer?

3. Why do you think people die from it?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

Activity – Disease Info

1. Your table will be assigned an illness or disease.

2. Use pages 510 – 515 to get information about your assignment.

3. Fill in the chart with your information.4. Share your information with the class and fill

in the rest of the table as the other groups share.

Extension:1.Work on your Lab.

2.Log on to Study Island to try the Body Systems assignment

Extension:1.Work on your Lab.

2.Log on to Study Island to try the Body Systems assignment

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

SummarySummary

Let’s review the answers to the Reading Comprehension

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

#38 What happens

when homeostasis

fails?

1. How can diseases disrupt homeostasis?

HOMEWORKDUE 12/16• Workbook pgs. 10-14, 29-32 all questions• Study Island – Body Systems and

Homeostasis assignment

1. How can diseases disrupt homeostasis?

HOMEWORKDUE 12/16• Workbook pgs. 10-14, 29-32 all questions• Study Island – Body Systems and

Homeostasis assignment

REGENTS PRACTICEReflection Reflection