The tetanic contraction of muscles help to lift objects heavier than our body weight by generating force, overcoming resistance.
<h3>What is muscle?</h3>
Muscle is defined as group of tissue combined together in order to form muscles and muscles are the structure maker of the body it means it provide proper structure to the body.
Muscle contraction has been defined as an action potential that travels along with the nerves to the muscle. The beginning of the muscle contraction occurs with signal generated from the nervous system.There are mainly two types of muscle contraction and the situation occur when a muscle contracts and the change in size takes place.
Therefore, The tetanic contraction of muscles help to lift objects heavier than our body weight by generating force, overcoming resistance.
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This observation can be explained by the theory of endosymbiosis. From what scientists have discovered, it can be explained that the double membrane of both chloroplast and mitochondria are as a result of them been subjected to phagocytosis but they were not digested. Their DNA suggest that they were once free living prokaryotes. This agree with the endosymbiosis theory which states that eukaryotic cell organelles developed from prokaryotic cells.
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of increasing density
The water cycle is the earth recycling it's finite (limited and fixed) amount of water! The water goes around and around which makes it a cycle. The water cycle is made up of 4 main parts: EVAPORATION-happens when the sun heats water up in River, Streams, Lakes and Oceans and turns it into Steam or Vapor. TRANSPIRATION is part of evaporation and gives it a hand. When people (you and me) sweat we perspire, well when a Plant "sweats" it Transpires! It is the process by which leaves of plants loose or "sweat" water. Transpiration helps Evaporation a little bit by getting the water vapor back in the air.
CONDENSATION-water vapors in the air turn cold and change back to a liquid, forming clouds. This is Condensation.
PRECIPITATION-the water vapor that's getting condensed and turning to liquid is getting very heavy in the clouds. The clouds get so heavy they release the liquid "water" and it falls back to the Earth as Rain, Snow, Sleet & Hail. COLLECTION-When the water falls to the Earth it lands on the Land, In the Rivers, Lakes, Streams and Oceans. On land it will become part of the Ground Water and plants and Animals will use it! Or it may drain or fall directly back into all the bodies of water on Earth, and the Cycle Begins again!
