The two men clashed during the Gunners' 4-0 Premier League defeat at Anfield last Saturday, with the Spaniard furious over Sadio Mane's challenge on Takehiro Tomiyasu and the German unhappy with his reaction to it.
Asked if it was good for the players to see his passion, Arteta said: “I don't know. It's who I am. If I feel like this, I will react and if I feel I have to defend my players, I will do it.
“It's part of our character. You have to be spontaneous and do what you do. I will always defend my club, my team and the players on the pitch."
Asked about the response he has had in training this week, he replied: “Not only there, I really liked the reaction that we had already in the dressing room at Anfield after the game and how some players showed leadership and described what happened in a really honest way and looked forward.
“There are always bumps in the road. There are results, there are injuries, there are issues that you have to deal with and I really like how the team has reacted through the week."
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