Video shows what sporophyte means. A plant (or the diploid phase in its life cycle) which produces spores by meiosis in order to produce gametophytes.. Sporo...
Concentric contraction involves a shortening of the muscles under loading and is used to accelerate the body or move an object, as when you suddenly move in the opposite direction to hit the baseball.
concentric An isotonic contraction where the muscle shortens. Isometric A muscular contraction in which the length of the muscle does not change. isotonic A muscular contraction in which the length of the muscle changes. eccentric An isotonic contraction where the muscle lengthens.