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it is 80% not 90%

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13y ago

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What percentage of the brain is water?

Approximately 75-80% of the brain is made up of water. This is because water is essential for various brain functions such as transporting nutrients and removing waste. Staying hydrated is crucial for optimal brain health and function.


What makes up 85 percent of the brain matter?

The brain is predominantly made up of water (approximately 85%), with the rest consisting of fats, proteins, carbohydrates, salts, and other substances. The high water content within the brain is essential for maintaining proper brain function and supporting various cellular processes.


Where will the brain send nerve impulses or hormones if the blood flowing through it has too much water?

If the blood flowing through the brain has too much water, the brain will signal the kidneys to increase urine production in order to remove the excess water from the body. This helps in maintaining the body's fluid balance and preventing dilution of the blood, which can be harmful.


What percent of your brain is used for senses?

Approximately 20% of the brain is dedicated to processing sensory information from the five senses (sight, hearing, touch, taste, and smell). This part of the brain includes areas such as the visual cortex, auditory cortex, and somatosensory cortex, which are responsible for integrating and interpreting sensory inputs. The rest of the brain is involved in various functions such as cognition, memory, and motor control.


How much water does your brain need?

The brain requires about 20% of the body's total water intake to function properly. It is important to stay hydrated throughout the day to ensure optimal cognitive function and overall health. The exact amount of water needed can vary depending on factors such as age, gender, and activity level.