Posted: February 12th, 2023
1. Describe your understanding of the homeostasis process by summarizing how the food you have (or have not) eaten today affects your blood glucose level.
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2. Summarize the function of four organelles found in a basic human cell.
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3. Describe how substances move in and out of a cell.
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4. Choose two organs that are found in different body cavities. Describe their location in relation to each other, using at least three positional medical terms.
SOLUTION
Homeostasis is the process by which an organism maintains a stable internal environment despite changes in external conditions. One aspect of homeostasis that is particularly relevant to food consumption is the regulation of blood glucose levels.
When you eat food, particularly carbohydrates, your body digests it into glucose, which is a type of sugar that is the primary source of energy for your cells. As the level of glucose in your bloodstream increases, your pancreas releases insulin, which is a hormone that helps transport glucose into your cells and reduces the amount of glucose in your bloodstream. This helps to maintain a stable blood glucose level.
If you haven’t eaten food today, your glucose levels will be lower, and your pancreas will release less insulin. Conversely, if you have eaten a large meal high in carbohydrates, your glucose levels will be higher and your pancreas will release more insulin. Over time, this regulated balance of glucose and insulin helps to maintain a stable blood glucose level, which is critical for optimal health and functioning.
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