BODY SCIENCE
SIGNS & SYMPTOMS
CAUSES & RISKS
FIRST AID ESSENTI
100

Hypothermia officially begins when the body's core temperature drops below this many degrees Celsius:

What is: 35°C?

100

This uncontrollable, rhythmic muscle contraction is the body's first attempt to generate heat: 

What is: SHIVERING

100

This type of non-wicking commonly worn fabric, can actually dramatically accelerate heat loss:  

What is: COTTON

100

This is the absolute first and most important step to help someone who is hypothermic:

What is: GETTING THEM TO A WARM, DRY PLACE

200

At rest, your body loses the greatest amount of heat through this organ, which is the largest in the body:

What is: The skin?

200

The "umbles" – stumbles, mumbles, and fumbles – are classic signs of this stage of hypothermia:

What is: MODERATE HYPOTHERMIA

200

Consuming this popular beverage creates a false sensation of warmth while actually increasing heat loss from the body's core:

What is: ALCOHOL

200

This lightweight safety item can keep you warm if you’re forced to stop or spend the night outside unexpectedly:

What is: AN EMERGENCY BLANKET OR BIVVY SACK

300

To protect your vital organs, your body sacrifices fingers, toes, and your nose by pulling warm blood away from them, which can lead to this condition:

What is: FROSTBITE

300

This dangerous and bizarre behavior involves a severely hypothermic performing this action because they feel hot:

What is: REMOVING THEIR CLOTHING

300

This age group is at a higher risk for hypothermia due to a larger surface-area-to-mass ratio and less body fat:

Who are: INFANTS AND CHILDREN

300

When rewarming someone with hypothermia, you should focus on this part of the body first:

What is: THE CORE 

400

During mild hypothermia, Vasoconstriction can occur, meaning: 

What is: CONSTRICTING OF THE BLOOD VESSELS 

400

As hypothermia worsens, a person may become oddly calm, confused, or even appear to act intoxicated. This happens because of cooling in this vital organ:

What is: THE BRAIN

400

This substance can pull heat from the human body about 25 times faster than air at the same temperature:

What is: COLD WATER 
400

When caring for a person with hypothermia, you must do this to avoid triggering dangerous heart rhythms: 

What is: HANDLE THEM GENTLY