Hot, humid weather can prevent body from cooling down

The video explains how the body cools down in different temperatures and the challenges it faces in high humidity. It discusses how blood circulation is affected by heat, leading to potential risks like heat exhaustion and stroke. Key signs of heat-related illnesses are also highlighted.

What happens to the body's ability to cool down when the outside temperature is higher?

• It becomes more effective.

• It improves significantly.

• It remains the same.

• It becomes less effective.

How does high humidity affect the body's cooling process?

• It has no effect on sweat evaporation.

• It stops sweat evaporation completely.

• It slows down sweat evaporation.

• It speeds up sweat evaporation.

What happens to the blood when it is sent to the skin's surface to release heat?

• It gains more water.

• It loses water.

• It remains unchanged.

• It becomes thicker.

What is a potential risk if fluids are not replenished in high heat and humidity?

• Dehydration

• Hypothermia

• Heat exhaustion

• Frostbite

What is a sign of heat stroke?

• Increased appetite

• Confusion or neurological symptoms

• Feeling cold

• Improved concentration