Homeostasis Review Game

Maintaining a stable internal environment Define Homeostasis Maintaining a stable internal environment

Define Set Point The value at which a specific body condition should stay at to maintain homeostasis

Define Response To react to a stimulus moving an individual back to their set point (homeostasis)

Define Stimulus Something that causes an individual to move away from their set point (homeostasis)

Insulin is released Hi from kylie You decide to go to town on the dessert on your birthday. Your blood sugar rises from the normal value and your body releases insulin to help with the raise in blood sugar. What’s the response? Insulin is released Hi from kylie

What is the set point? 98.6°F

The cold day, or a drop in body temperature You walk outside on a really cold day. The longer you stay outside, the more you start to shiver. What is the stimulus? The cold day, or a drop in body temperature

On an extremely hot day you have a soccer game On an extremely hot day you have a soccer game. Your body begins to sweat to help to cool you down. What is the set point? 98.6 °F

When you go to the doctor your blood pressure is measured and 130/80 mmHg. The doctor is worried because it should be at a 120/80 mmHG. What is the set point? 120/80mmHG

How does your body respond the a decrease in blood sugar? Glucagon breaks down glycogen to release glucose into the blood

rise in blood sugar or eating candy You decide to go to town on the Halloween candy you just got from trick or treating. Your blood sugar rises from the normal value and your body releases insulin to help with the raise in blood sugar. What is the stimulus? rise in blood sugar or eating candy

List 3 ways your body responds to the cold weather. Blood vessels shrink Hair stands up Body shivers

What is the set point? 90mg/100mL

List 3 ways you body responds on a warm day Sweating Blood vessels dilate Hairs lie flat

What is the stimulus? Stress (blood pressure up or down)

You unfortunately get the stomach flu from a kid in your class You unfortunately get the stomach flu from a kid in your class. Your body tries to get rid of the virus by vomitting. What is the response? vomiting

What is the response when you have low blood calcium levels? PTH causes bones to release calcium

It’s cold season and lucky for you, you’ve gotten the cold It’s cold season and lucky for you, you’ve gotten the cold... Your body may run a fever to help you fight off the sickness. What is the stimulus? Cold virus

Heart Rate (increase) Respiratory Rate (increase) You are running on the treadmill. Name 2 conditions in your body that might change and how they will change. Heart Rate (increase) Respiratory Rate (increase)

What is the response when you have high blood calcium levels? Calcium is taken up by kidneys and intestines.

You go for a run outside after school You go for a run outside after school. Your body responds by increasing the respiratory rate. What does the respiratory rate increase? To remove excess carbon dioxide, to return to the normal levels of oxygen and carbon dioxide in the system

Work to lower heart rate and return to normal As you lift weights your heart rate begins to increase. How will your body respond? Work to lower heart rate and return to normal