Unit 3: Homeostasis & Body Systems

allows for a wildly fluctuating internal environment

is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation

is the maintenance of a relatively stable external environment and does not incorporate a form of feedback regulation

when you stay at home

keep body temperature the same as the external temperature

decrease body temperature

increase body temperature

regulate blood pressure

Blood glucose regulation

Temperature regulation

Heart rate regulation

All of the above

negative feedback loop

positive feedback loop

cells- tissues- organs- organ systems- organisms

cells- organs- organisms- tissues- organ systems

organisms- organ systems- organs- tissues- cells

tissue- cells- organs- organ systems- organisms

Negative Feedback Loop

Positive Feedback Loop

To provide the body with more energy

To provide the body with more food

To make sure the conditions in the body are always changing

To make sure the conditions in the body remain stable

negative

neutral

positive