Definition: Absorb - absorb substance or energy into body through absorption of water, gas, food, liquids etc Absorption in body: a process by which a substance enters the body from the environment (through breathing or food). Examples include: - Water molecules are absorbed by the skin and enter the bloodstream. - Salt is absorbed through the digestive system. - Sugar is absorbed through the intestines during digestion. - When glucose comes into contact with water, it becomes dissolved and can be absorbed into cells. - In the blood stream, glucose enters tissues via the lymphatic system, where it is transported to the liver for further processing. Absorption of food: absorption involves breaking down food into smaller molecules that can more easily enter the body. Food is broken down into its individual components such as starches, proteins, and fats through an enzyme known as protease. This process takes place in the small intestine, where the enzyme hydrolyzes the protein chains to release amino acids. Absorption of liquids: Liquid absorption occurs when a substance enters the bloodstream via the digestive system and is transported throughout the body. The liquid enters tissues by diffusion or capillary action, moving through the blood vessels and into the cells where it can be absorbed into the cell membrane for use in cellular function. Absorbent material - A type of substance that allows substances to absorb water (and other solutes) when they are dissolved in a solvent, and thus is often used as an absorbent or in cleaning applications. Examples include: - Water: absorbent materials can be used for storing liquid solutions. - Gases: gas absorbents can help retain moisture in the atmosphere, especially during extreme weather conditions. Absorbed substance - A substance that has absorbed a specific amount of water and is now insoluble in a solvent. This allows the substance to pass through a filter or other device and be removed from the solution. Examples include: - Solvents: absorbent substances can help retain solutes like oil, while also removing trace amounts of moisture. - Water-soluble substances such as oils are often absorbed by filters or activated carbon. Absorbing water molecules: Absorption of water molecules is a process that occurs when a substance enters the blood and the plasma (a mixture of plasma proteins, red blood cells, white blood cells) is transported to regions where it can be dissolved and released back into the bloodstream. This allows for the release of oxygen from tissues. Absorbing salt: Absorption of salt involves the movement of water molecules through a solution that contains dissolved ions in order to dissolve the salt. The sodium ions are exchanged with chloride ions, causing an increase in the concentration of the salts in the blood. Examples include: - NaCl solution is commonly used as a salt substitute in food and medicine. - In addition, it can be added to water to help dissolve salt. Absorbing sugar: Absorption involves the movement of water molecules through the digestive tract to dissolve sugars in the small intestine. The sugar molecules are then absorbed into the bloodstream. Absorbent materials - A substance that allows substances to absorb water and other solutes when they are dissolved in a solvent, and thus is often used as an absorbent or in cleaning applications. Examples include: - Water: absorbent materials can be used for storing liquid solutions. - Gases: gas absorbents can help retain moisture in the atmosphere. Absorbing solids: Absorption involves the movement of water molecules through a solution that contains dissolved substances, allowing them to dissolve into the solution. This process allows the solute to pass out of the solvent and be released back into the solvent, often as a precipitate or white powder. Absorbent materials - A substance that allows substances to absorb water (and other solutes) when they are dissolved in a solvent, and thus is often used as an absorbent or in cleaning applications. Examples include: - Water: absorbent materials can be used for storing liquid solutions. - Gases: gas absorbents can help retain moisture in the atmosphere. Absorbent materials - A substance that allows substances to absorb water (and other solutes) when they are dissolved in a solvent, and thus is often used as an absorbent or in cleaning applications. Examples include: - Water: absorbent materials can be used for storing liquid solutions. - Gases: gas absorbents can help retain moisture in the atmosphere.

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