13 excretion and homeostasis

Front

What is the role of insulin in the body?

Back

Insulin is a hormone produced by the pancreas that helps regulate blood sugar levels by facilitating the uptake of glucose into cells.

Front

What is homeostasis?

Back

Homeostasis is the process by which the body maintains a stable internal environment despite changes in external conditions.

Front

What is a feedback loop?

Back

A feedback loop is a biological mechanism in which the output of a system regulates its own activity, helping to maintain homeostasis.

Front

What is dehydration?

Back

Dehydration is a condition that occurs when the body loses more water than it takes in, leading to an imbalance in bodily functions.

Front

What is the function of the skin in homeostasis?

Back

The skin helps regulate body temperature, protects against pathogens, and facilitates the elimination of waste through sweat.

Front

What is a negative feedback loop?

Back

A negative feedback loop is a control mechanism that counteracts changes in the body, helping to maintain stability.

Front

What is the relationship between diabetes and insulin?

Back

Diabetes is often caused by an underactive insulin feedback loop, leading to high blood sugar levels.

Front

What is the primary function of the kidneys in homeostasis?

Back

The kidneys filter blood to remove waste products and excess substances, helping to regulate fluid balance and electrolytes.

Front

What is the significance of maintaining body temperature?

Back

Maintaining body temperature is crucial for optimal enzyme function and overall metabolic processes.

Front

What is the role of sweat in thermoregulation?

Back

Sweating helps cool the body down through evaporation, which is essential for maintaining a stable body temperature.