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WHAT ARE CELLS MADE OF?

WHAT ARE CELLS MADE OF?

Why is drinking water important for humans? The human body is made up of 80% water, which is present in blood and other cells. Since we lose a lot of fluid through sweat, urine, and breath, we need to replenish it constantly. Drinking less water can cause immediate problems. The body cells become dry, and the skin wrinkles. Blood becomes thicker, and the heart has to make more effort to pump it through the body. Since the blood is responsible for transporting oxygen around the body, oxygen is not supplied adequately to the organs. The heart and the brain react immediately to a lack of oxygen-they get damaged in just a few minutes.   Why do we need blood? Our body consists of millions of cells, which must be supplied with water properly. This supply is the responsibility of the blood. The red blood cells transport vital oxygen (O 2 ) around the body. The blood also absorbs nutrients from the digestive tract, distributes them to the organs, and in return, takes away the waste pro