Digestion is a form of catabolism that is often divided into two processes based on how food is broken down: mechanical and chemical digestion. The term mechanical digestion refers to the physical breakdown of large pieces of food into smaller pieces which can subsequently be accessed by digestive enzymes.
Ryu, the stage name of Ryan Patrick Maginn from Styles of Beyond; Characters. Kairyu, Dragonite (Pokemon species) in Japanese Version; Ryu Hayabusa, the protagonist in the Ninja Gaiden series; Ryu (Street Fighter), a leading character in the Street Fighter video game series; Ryu Nakanishi, Science Ninja Team member G-5
Noun. 1. ninja-a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu. ninja-a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations.Japanese, Nipponese-a native or inhabitant of Japan.inja-a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu. ninja-a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations. Japanese, Nipponese-a native or inhabitant of Japan.