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valina [46]
3 years ago
13

Which one is the fastest between electricity and light​

Biology
2 answers:
Bad White [126]3 years ago
4 0

Answer:

Light

Explanation:

Light travels through empty space at 186,000 miles per second. The electricity which flows through the wires in your homes and appliances travels much slower: only about 1/100 th the speed of light.

d1i1m1o1n [39]3 years ago
4 0
Light travels through empty space at 186,000 miles per second. The electricity which flows through the wires in your homes and appliances travels much slower: only about 1/100 th the speed of light.
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The primary mechanical difference between slow-twitch versus fast-twitch motor units in normal movement are: a. the amount of co
yanalaym [24]

Slow-twitch fibers resist fatigue and keep contracted for long periods. Fast-twitch fibers provide force and fast contraction for short periods. Option C. timing of tension rise and fall.

<h3>What is the difference between slow-twitch and fast-twitch motor units?</h3>

 

There are two muscle fiber types in the skeletal muscle, and their function is not the same. These are

  • the fast-twitch
  • the slow-twitch

<u>Slow-twitch muscle fibers</u> - Type I-

  • These are small-sized fibers.
  • They provide low force and slow contraction.
  • These are fibers that resist fatigue and are in charge of sustained movements.
  • They get to their maximum tension slower.
  • Since their action is sustained for long periods, they need too much energy to keep working. This is why these cells have several mitochondria.
  • They can support long periods of contraction.

<u>Fast-twitch muscle fibers</u> - Type II-

  • These are large cells.
  • They provide high force and fast contraction.
  • They get to their maximum tension faster.
  • These fibers offer a more powerful force than the slow-twitch ones.
  • However, their duration is lower, and get to fatigue much faster. They offer short-period contractions.
  • They support powerful and fast movements, but for short periods.

According to this information, we can assume that the main difference between slow-twitch and fast-twitch motor units is the timing of tension rise and fall. Option C.

You can learn more about slow-twitch and fast-twitch motor units at

brainly.com/question/16951957

brainly.com/question/12275017

brainly.com/question/1232212

#SPJ1

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