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  2. Acid–base homeostasis - Wikipedia

    en.wikipedia.org/wiki/Acid–base_homeostasis

    In humans and many other animals, acid–base homeostasis is maintained by multiple mechanisms involved in three lines of defense: [5] [6] Chemical: The first lines of defense are immediate, consisting of the various chemical buffers which minimize pH changes that would otherwise occur in their absence.

  3. Line defense - Wikipedia

    en.wikipedia.org/wiki/Line_Defense

    Line defense is a strategy used in basketball. It is referred to as the "line defense" because of its formation on the court, which consists of two lines of defense. Three players at the front of the defense (at the half-court center line) and two players behind (between the center line and the team's own key).

  4. List of military strategies and concepts - Wikipedia

    en.wikipedia.org/wiki/List_of_military...

    Blitzkrieg – A method of warfare where an attacking force, spearheaded by a dense concentration of armoured and motorised or mechanised infantry formations with close air support, breaks through the opponent's line of defence by short, fast, powerful attacks and then dislocates the defenders, using speed and surprise to encircle them with the ...

  5. Three lines of defence - Wikipedia

    en.wikipedia.org/?title=Three_lines_of_defence&...

    This page was last edited on 21 December 2022, at 10:50 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  6. 2023 Ukrainian counteroffensive - Wikipedia

    en.wikipedia.org/wiki/2023_Ukrainian...

    In Zaporizhzhia Oblast, Russia constructed roughly three lines of defense: a 150 km (93 mi) long frontline from Vasylivka to Novopetrykivka on the Zaporizhzhia–Donetsk oblasts border, a 130 km (81 mi) long second line of defense from Orlynske to just north of Kamianka, and "a constellation of disconnected fortifications surrounding larger ...

  7. List of formations in American football - Wikipedia

    en.wikipedia.org/wiki/List_of_formations_in...

    Seven-man line defenses use seven down linemen on the line of scrimmage. The most common seven-man line defenses were the 7–2–2 defense and the 7–1–2–1 defense. They were most common before the forward pass became prevalent, but were still common prior to the inception of the platoon system. They are still sometimes used in goal-line ...

  8. Ukraine breaks Russia’s main defensive line with armor as ...

    www.aol.com/ukraine-breaks-russia-main-defensive...

    Ukrainian armor has broken through Russia’s main defensive line in the southeast for the first time and is making major advances toward the town of Verbove, a sign the counteroffensive is ...

  9. List of military tactics - Wikipedia

    en.wikipedia.org/wiki/List_of_military_tactics

    Penetration of the center: This involves exploiting a gap in the enemy line to drive directly to the enemy's command or base.Two ways of accomplishing this are separating enemy forces then using a reserve to exploit the gap (e.g., Battle of Chaeronea (338 BC)) or having fast, elite forces smash at a weak spot (or an area where your elites are at their best in striking power) and using reserves ...