If one nerve stimulus arrives at a muscle fiber so soon that the fiber does not relax at all from the previous twitch, the most likely result will be this can only be achieved in the laboratory.

Complete Tetanus

Explanation:

The nerve stimulus arrives at the fiber at such a rapid pace that there is no decrease in tension between stimuli detected. This results in a tectanic contraction that is fused (complete) . Thus the muscle fiber does not relax at all due to this complete tetanus.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.