Human Homeostasis Gizmo | ExploreLearning

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Michal Kreiselman

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Human Homeostasis

Adjust the levels of clothing, perspiration, and exercise to maintain a stable internal temperature as the external temperature changes. Water and blood sugar levels need to be replenished regularly, and fatigue occurs with heavy exercise. Severe hypothermia, heat stroke, or dehydration can result if internal stability is not maintained.

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Assessment Questions (5):

What is the best course of action for the person shown below?
- A. Start sweating
- B. Start exercising
- C. Drink water
- D. Remove clothing
What activity will decrease body temperature?
- A. Sweating
- B. Exercising
- C. Adding clothing
- D. Shivering
Which of the graphs below best illustrates homeostasis?
- A. Graph A
- B. Graph B
- C. Graph C
- D. Graph D
What advice should you give to a person exercising on a very hot day?
- A. Remember to wear lots of clothes so you can sweat off more weight!
- B. Take a lot of breaks, and remember to drink fluids!
- C. Don't drink anything, it will give you cramps.
- D. Go all out! A hot day is the best time to try for a personal best.
Which of the following is an example of homeostasis?
- A. During a time of high stress, Justin's heart races, his muscles tense, and he feels sweat dripping down his forehead.
- B. Sick with the flu, Alison's body temperature rises to fever levels.
- C. Boris doesn't drink very much water one day. To compensate, his kidneys remove less fluid from his blood, and produce less urine than normal.
- D. As Grace races up the ten flights of stairs to her apartment, the muscle cells in her legs produce excess lactic acid, causing a burning sensation in her legs.

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