Answer:
The mechanisms involved in absorption of digested food and water are
diffusion and osmosis respectively
(i) Digested food-through
diffusion, i.e., the process in which molecules move from their region of
higher concentration to their region of lower concentration till they are uniformly
distributed throughout the available space.
(ii) Water-through osmosis, i.e., the passage of water from a region of
high water concentration through a semi-permeable membrane to a region of low
water concentration.
In this case, from small intestine (high concentration) to
blood low concentration.
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