1 This can happen when the arteries to the heart become thicker and harder from a buildup of plaque. 2  High blood pressure causes scarred arteries that fill up with plaque and become more prone to blood clots.
To commandeer is to take possession or control of something, or to take control of something for a military or law-enforcement purpose, or to make someone help you.
Define commanding officer: an officer in command; especially : an officer in the armed forces in command of anâ¦ â commanding officer in a sentence an officer in command; especially : an officer in the armed forces in command of an organization or installationâ¦