How much of the brain is made of water? a90% b60% c80% d70%

What percentage of the human brain is made up of water?

The body of an adult person is composed of how much fluids?  a40% b70% c60% d80%

Weighing about 3 pounds in the average adult, the brain is about 60% fat. The remaining 40% is a combination of water, protein, carbohydrates and salts. The brain itself is a not a muscle. It contains blood vessels and nerves, including neurons and glial cells.

what makes up the nutritional content of your brain?

What percentage of the body's blood supply does the brain require?