Levels of Organization and Homeostasis

What is the basic unit of structure and function within living things?

• Cells

• Tissues

• Organs

• Systems

Which of the following is a group of cells that work together to perform a specific function?

• Cells

• Tissues

• Organs

• Systems

Which of the following is made up of tissues that work together to perform a specific function within the body?

• Cells

• Tissues

• Organs

• Systems

Which of the following is 2 or more organs that work together to perform a specific function?

• Cells

• Tissues

• Organs

• Systems

What is the process of keeping everything constant in the internal environment?

• Homeostasis

• Stimulus

• Receptor

• Output

Which of the following needs homeostasis?

• Blood sugar

• Temperature

• Water balance

• All of the above

What detects the change in a stimulus?

• Stimulus

• Receptor/Sensor

• Input

• Output

Where does the information travel along the pathway to in order to determine the appropriate response and course of action?

• Stimulus

• Receptor/Sensor

• Control center

• Effector

What is the response from the effector that balances out the original stimulus to maintain homeostasis?

• Stimulus

• Receptor/Sensor

• Input

• Response

Which type of feedback loop inhibits the original stimulus?

• Negative Feedback

• Positive Feedback

• Both

• None