Fuel For Your Fuel For Your CellsCells

Part 6: Maintaining HomeostasisPart 6: Maintaining Homeostasis

Student ObjectivesStudent ObjectivesFriday, April 21, 2023Friday, April 21, 2023

After today’s lesson, you will be able to:After today’s lesson, you will be able to: Determine how the excretion of sweat plays Determine how the excretion of sweat plays

a role in maintaining homeostasis.a role in maintaining homeostasis. Determine what effect exercise will have on Determine what effect exercise will have on

heart rate.heart rate.

Homework:Homework:

Completed Labs Due.Completed Labs Due.

Lesson Questions:Lesson Questions:1.1. How does the How does the

excretion of excretion of sweat play a sweat play a role in body role in body temperature?temperature?

2.2. What affect does What affect does exercise have on exercise have on your heart rate?your heart rate?

-Describe and explain that the complex set of systems -Describe and explain that the complex set of systems found in multicellular organisms are made up of different found in multicellular organisms are made up of different kinds of tissues and organs which are, in turn, composed of kinds of tissues and organs which are, in turn, composed of differentiated cellsdifferentiated cells-Select several body systems and explain the role of cells, -Select several body systems and explain the role of cells, tissues, and organs in the systems selected that effectively tissues, and organs in the systems selected that effectively carry out a vital function for the organism, such as:Obtaining carry out a vital function for the organism, such as:Obtaining food and providing energy, Defense, Reproduction, Waste food and providing energy, Defense, Reproduction, Waste Removal, BreathingRemoval, Breathing

VSC Content Standard:VSC Content Standard: Recognize and explain Recognize and explain that human beings, like that human beings, like other organisms have other organisms have complex body systems complex body systems of cells,tissues, and of cells,tissues, and organs that interact to organs that interact to support an organisms support an organisms growth and survival.growth and survival.

Engage your thinking…Engage your thinking…

1.1. When you exercise, why do you When you exercise, why do you breathe faster?breathe faster?

2.2. Why do you sweat? Why do you sweat?

Exploring Homeostasis…Exploring Homeostasis…

Click on the links below to read Click on the links below to read instructions to complete each of the instructions to complete each of the labs.labs.

Lab Station One Lab Station Two

You will have 30-35 minutes to complete You will have 30-35 minutes to complete each lab station.each lab station.

Lab Station One:Lab Station One:Excretion Through Sweat…Excretion Through Sweat…

1. Place the Ecolog and Sensor in your left hand 1. Place the Ecolog and Sensor in your left hand and cover with a bag.and cover with a bag.

2. Click the running man2. Click the running man

3. Watch the graph for humidity and temperature.3. Watch the graph for humidity and temperature.

4. While you wait, answer the hypothesis and 4. While you wait, answer the hypothesis and review the articles to complete the according review the articles to complete the according to research question.to research question.

5. Use your graph to complete the conclusions.5. Use your graph to complete the conclusions.

Lab Station Two:Lab Station Two:Heart Rate and Exercise…Heart Rate and Exercise…

Read the lab instructionsRead the lab instructions

Use the Ecolog and Pulse sensor to Use the Ecolog and Pulse sensor to complete the heart rate lab.complete the heart rate lab.

When finished, complete the lab When finished, complete the lab conclusions.conclusions.

Evaluate yourself…Evaluate yourself…

Can you:Can you: Determine how the excretion of Determine how the excretion of

sweat plays a role in maintaining sweat plays a role in maintaining homeostasis?homeostasis?

Determine what effect exercise will Determine what effect exercise will have on heart rate?have on heart rate?

HomeworkHomework Completed labs due.Completed labs due.