Homeostasis

Front

Response to HIGH blood glucose (sugar)?

Back

Pancreas releases insulin into blood

Front

According to the model, what would happen if the pancreas did NOT detect rising blood glucose (sugar) level?

Back

Blood sugar would stay above normal

Front

Homeostasis

Back

is the maintenance of a relatively stable internal environment

Front

Homeostasis in the human body is often maintained by a:

Back

negative feedback loop

Front

With low oxygen levels, your breathing rate will increase. When your oxygen levels rise, what is the appropriate response?

Back

return breathing rate to baseline

Front

When you exercise, what gas does your body NEED more of?

Back

Oxygen

Front

How does the body respond when more oxygen is required?

Back

Increasing heart rate

Front

Which of the following describes homeostasis?

• keeps variables exactly at the set point
• organism's ability to maintain steady(stable) internal conditions
• acts to keep values outside of a desired range
• operates through positive feedback

Back

organism's ability to maintain steady(stable) internal conditions

Front

Negative feedback loops ...

Back

are one way an organism can maintain homeostasis.

Front

Identify the initiation event in the scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed and the person begins to sweat and their body temperature decreases.

Back

person begins to exercise