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www.reference.com/article/roots-absorb-water-75ca9426a443e9da

Roots absorb water from the surrounding soil using the process of osmosis. Plant and tree roots have special structures, called root hair cells, that cover a large surface area and act as tiny sponges to absorb maximal amounts of water.

www.reference.com/article/materials-absorb-water-71dd000e5c70d6a

A novel material called upsalite is the world's most water-absorbent material. Made of nanostructured anhydrous magnesium carbonate, this material is capable of absorbing several hundred times its weight in water, even in low-humidity conditions. Other record-breaking w...

www.reference.com/article/sand-absorb-water-55d557baaa269e29

Sand absorbs water because sand particles have pores in them that, when dry, are filled with air. When the sand particles are wet, the air in the spores is replaced with water.

www.reference.com/article/much-water-can-sponge-absorb-720e8113f0d1ed1f

The amount of water a sponge can absorb depends on many factors. The material the sponge is made out of, the structure of the sponge and the size of the sponge all affect how much water the sponge can absorb.

www.reference.com/article/cut-flowers-absorb-water-6fd1dd729c4d3cd3

A cut flower pulls water into its stem through the phenomenon of capillary action. When a cut flower stem is placed in a vase, the water adheres to the stem walls and creates an upward force that is stronger than the force of gravity.

www.reference.com/article/organ-absorbs-water-salts-food-a935cd15042d03c5

The small intestine is the specific organ that extracts water and salt from food, says About.com. The digestive system as a whole contributes to nutrient absorption in the human body.

www.reference.com/article/much-water-can-paper-towel-absorb-885e86c7d6ee0c0e

According to Consumer Reports a 1-foot square paper towel absorbs between 1/2 ounce and 2 1/2 ounces of fluid. The amount of fluid soaked up depends on the brand.