Homeostasis

Front

What is homeostasis?

Back

Homeostasis is the tendency of an organism to maintain a balanced internal state to stay healthy.

Front

What happens to body temperature when the environment gets cold?

Back

The body shivers to increase body temperature.

Front

Why does pulse rate increase during exercise?

Back

Pulse rate increases because gas exchange must happen more quickly than when a person is at rest.

Front

What is the term for a solution that causes blood cells to shrivel?

Back

Hypertonic.

Front

What is the opposite of hypertonic?

Back

Hypotonic.

Front

What is the role of stimuli in homeostasis?

Back

Stimuli are changes in the environment that can trigger a response to maintain homeostasis.

Front

What is the importance of gas exchange in maintaining homeostasis?

Back

Gas exchange is crucial for removing carbon dioxide and supplying oxygen, which helps maintain the body's internal balance.

Front

What does isotonic mean in relation to cells?

Back

Isotonic means the concentration of solutes is equal inside and outside the cell, resulting in no net movement of water.

Front

How does the body respond to overheating?

Back

The body sweats to cool down and maintain a stable internal temperature.

Front

What is a feedback mechanism in homeostasis?

Back

A feedback mechanism is a process that helps regulate physiological functions by responding to changes in the internal environment.