Keiser University Factors that Cause Variations in Body Temperature Reflection

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Have you ever wondered how our bodies regulate their temperature? I feel like this can be a very common thing to ask because it is not like we ever have to tell our bodies what temperature to be, it just does it on its own. The part of our body that regulates our body temperature is called the hypothalamus which is located in our brain below the thalamus and above the pituitary gland.

When a person’s body is hot, the hypothalamus in the brain will send signals to the sweat glands which ultimately causes you to cool down because the body is able to release some of its heat through sweat. When a person’s body is too cold, the hypothalamus will send signals to the muscles which will make you shiver and this will help warm the body up. This process is called maintaining homeostasis. The hypothalamus regulates our body temperature based on the outside temperature, and like I stated before the body responds accordingly to what the outside temperature is.

There are many factors that can cause variations in our body’s temperate such as: age, outside temperature, exercise, stress, and sickness. As a person ages, it seems that there body temperature drops and this is why we see a lot of older people wearing long clothing even when it is hot outside. My grandpa is like this, it can be 80 degrees outside and he is still going to wear a sweater because he gets cold a lot easier than us younger people do. When a person is doing a lot of physical activity such as exercising, their body temperature will raise due to the heat that your body is creating. The temperature outside of your body can also be a factor because like I stated earlier, your body has different techniques to either cool or warm your body based on the outside temperature. Stress can also raise the body’s temperature because “Stress hormones such as cortisol and adrenaline mediate this increase in body temperature” (onio.com). Last but not least is sickness or fever, this can dramatically raise your body temperature and can sometimes be fatal.

I have a friend who does not sweat and this is very hard on her body. She lives here in South Florida and we all know that it can get very hot here. So, her body has no way of natural cooling off when it gets hot and this can cause her to pass out sometimes.