Question

The temperature at the top of a mountain is -11°C
The temperature at the bottom of the mountain is 17°c
Workout out the difference between these temperatures

Answer 1

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Answer 2

Step-by-step explanation:

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We know to guard our skin against frostbite by covering up when we go outside in sub-freezing temperatures.

But extreme cold also can impact vital organs, such as the heart and lungs. For example, cold can make your heart beat faster, which makes your blood pressure go up, says interventional cardiologist Leslie Cho, MD.

“It’s really how the body reacts to the cold,” Dr. Cho says. “The body’s first reaction is to try to keep warm. So blood vessels constrict to keep in the heat. The heart also beats faster, which can increase blood pressure. All of that can have an impact on the heart.”

Hypothermia and the heart

A severe wind chill only makes things harder on your heart because the wind can steal even more body heat, which could lead to hypothermia, Dr. Cho says.

Hypothermia is when your body’s core temperature falls to lower than 95 degrees. It occurs when your body can’t produce enough energy to keep the internal body temperature warm enough. Symptoms include lack of coordination, mental confusion, slowed reactions, shivering and sleepiness.

For people with underlying heart disease, the extra work your body has to do to stay warm could cause chest pain and possibly even a heart attack, Dr. Cho says.

If this is you, be sure to discuss exercise guidelines with your physician, especially strenuous activity, she adds.