Evidence of Work:
This project was about how homeostasis works in our bodies to keep us alive and functioning. Our group focused on the breathing rate in the human body. Homeostasis is a state where everything is normal and equal inside our bodies. They always try to maintain homeostasis even if something gets too high or low. When something like that happens, our brain sends out signals and hormones to help our bodies get back to normal. To test how homeostasis works in breathing rate we had a test subject run 100 meters and then count their breaths per minute to see the changes in that were happening. Our group created a research paper and a scientific poster and had a poster session the day it was due. We used the scientific method to help us organize the research and complete this project.
Procedure:
1. Record the breathing rate of the runner before sprint by counting how many times their chest rises in 30 secs.
2. Tell the runner to sprint normally and don't adjust breathing
3. Runner will sprint 1 lap around a ¼ mile track.
4. After sprint record the number of times their chest rises for 30 secs.
5. Record breathing every 2 minutes until back to normal
6. Repeat procedure 2 more times
7. Find average of all 3 tests (before/ after breathing rates and recovery time)
This project was about how homeostasis works in our bodies to keep us alive and functioning. Our group focused on the breathing rate in the human body. Homeostasis is a state where everything is normal and equal inside our bodies. They always try to maintain homeostasis even if something gets too high or low. When something like that happens, our brain sends out signals and hormones to help our bodies get back to normal. To test how homeostasis works in breathing rate we had a test subject run 100 meters and then count their breaths per minute to see the changes in that were happening. Our group created a research paper and a scientific poster and had a poster session the day it was due. We used the scientific method to help us organize the research and complete this project.
Procedure:
1. Record the breathing rate of the runner before sprint by counting how many times their chest rises in 30 secs.
2. Tell the runner to sprint normally and don't adjust breathing
3. Runner will sprint 1 lap around a ¼ mile track.
4. After sprint record the number of times their chest rises for 30 secs.
5. Record breathing every 2 minutes until back to normal
6. Repeat procedure 2 more times
7. Find average of all 3 tests (before/ after breathing rates and recovery time)
Content:
Homeostasis- A state of stable equilibrium between the bodies internal systems. We tested how the body maintains homeostasis.
Scientific method- A series of steps taken to organize and make sense of data. The eight steps are, Identify problem, research, hypothesis, plan experiment, do experiment, analyze data, conclusion, and communicate results.
Breathing rate- The amount of times a chest rises in a minuet. We used the test subject's breathing rate to test our hypothesis.
Respiratory system- A body system that is responsible for breathing. The organs in this system are the nose, lungs, trachea, larynx, and bronchi.
Cardiovascular system- A body system that is responsible for the circulation of blood. The organs in this system are the heart, lungs, arteries, and veins.
Positive feedback loop- It is a loop used to amplify or increase the changes being made. It moves further away from homeostasis. An example of a negative feedback loop is child birth.
Negative feedback loop- a loop that is used to reduce or increase the change being made. It makes it stay at equilibrium by making the change increase or decrease. An example of a negative feedback loop is body temperature. If the body gets too cold, it will shiver to get warmer.
Hormones involved- Progesterone and thyroxine stimulate the breathing rate, Somatostatin, dopamine, and neuropeptide Y lower the breathing rate.
Reflection:
This project was really fun and interesting to learn about. As a group we worked really well together and worked efficiently. When we had to research, we all worked very efficient and got everything done really fast. The research was divided up between everyone to get all done to start our lab write up and poster. We also worked well as a group by communicating our thoughts and listening to each other. While coming up with the procedure we had to make suggestions to make sure the data would be accurate and consist. Some things we didn't do as well are time management and staying on task. After finishing the research, we didn't start on the next thing right away. When we were done with a task we would sometimes be off task and do other work instead of moving on to the next step. This project was interesting and I hope the next one is even better.
Homeostasis- A state of stable equilibrium between the bodies internal systems. We tested how the body maintains homeostasis.
Scientific method- A series of steps taken to organize and make sense of data. The eight steps are, Identify problem, research, hypothesis, plan experiment, do experiment, analyze data, conclusion, and communicate results.
Breathing rate- The amount of times a chest rises in a minuet. We used the test subject's breathing rate to test our hypothesis.
Respiratory system- A body system that is responsible for breathing. The organs in this system are the nose, lungs, trachea, larynx, and bronchi.
Cardiovascular system- A body system that is responsible for the circulation of blood. The organs in this system are the heart, lungs, arteries, and veins.
Positive feedback loop- It is a loop used to amplify or increase the changes being made. It moves further away from homeostasis. An example of a negative feedback loop is child birth.
Negative feedback loop- a loop that is used to reduce or increase the change being made. It makes it stay at equilibrium by making the change increase or decrease. An example of a negative feedback loop is body temperature. If the body gets too cold, it will shiver to get warmer.
Hormones involved- Progesterone and thyroxine stimulate the breathing rate, Somatostatin, dopamine, and neuropeptide Y lower the breathing rate.
Reflection:
This project was really fun and interesting to learn about. As a group we worked really well together and worked efficiently. When we had to research, we all worked very efficient and got everything done really fast. The research was divided up between everyone to get all done to start our lab write up and poster. We also worked well as a group by communicating our thoughts and listening to each other. While coming up with the procedure we had to make suggestions to make sure the data would be accurate and consist. Some things we didn't do as well are time management and staying on task. After finishing the research, we didn't start on the next thing right away. When we were done with a task we would sometimes be off task and do other work instead of moving on to the next step. This project was interesting and I hope the next one is even better.