S3 Homeostasis Temperature Flashcard

Front

Which part of the brain monitors and controls temperature?

Back

Hypothalamus

Front

What is the normal temperature of the human body?

Back

37°C

Front

How does the body respond to an increase in temperature?

Back

Sweating

Blood vessels widen

Front

What are the temperature-sensitive cells called that help the body monitor its temperature?

Back

Thermoreceptors

Front

Where are thermoreceptors found in the body?

Back

Hypothalamus and skin

Front

What is the main organ used to maintain the body's core temperature?

Back

Skin

Front

What happens to blood vessels in the skin when core body temperature rises?

Back

They become wider.

Front

Why does the skin appear red when a person is hot?

Back

Blood vessels widen and increase blood flow.

Front

How does sweat help cool the body?

Back

By evaporating and transferring heat away.

Front

What can happen if a person's body temperature increases to 40°C or more?

Back

It could lead to heat stroke (hyperthermia)