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Do the cells inside skin look like a chain?

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Do the cells inside skin look like a chain?

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A group of cells are very close together, although they aren't always in a chain form or in perfect rows.

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Why do cells need to be close together? - Michael Mader

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Why do cells need to be close together? - Michael Mader

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"Cellular communication is one reason that cells need to be close to one another. Biotransmitters are used for cellular communication. In order to signal a response, biotransmitters are released from one cell and are received by receptor proteins that are located on a receiving cell. The shape of a protein receptor is complementary to the shape of and emitted chemical signal. Thus, the protein receptors are specific in regards to the signals that are received. The cells need to be close to one another so the biomolecular signals involved in cellular communication can be easily transferred between cells." according to-https://www.enotes.com/homework-help/why-there-many-cells-close-together-552233

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How do countries bond together to prevent other countries from attacking?

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How do countries bond together to prevent other countries from attacking?

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Countries form alliances together to prevent other countries from attacking and starting war. An alliance is a union formed for mutual benefit between countries. An alliance would scare off other countries from attacking because the allied countries would have stronger forces and a stronger military with more resources.

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* Borders provide a line, wall, fence, gate, etc to keep from illegal immigrants (invaders) from entering into other countries.
* Borders have barbed wire which can make it hard and dangerous to get through without getting injured, barbed wire that are put as borders can help keep intruders out.

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How do security systems protect from invaders? - Michae

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How do security systems protect from invaders? - Michae

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They security systems have a central command panel, and when motion is detected by motion detectors or  door is opened that is sensed by the cameras or door sensors the aleat is sent to the command pannal. Then the system will set off an alarms and or alert the homeowner some will even dial police.This can relate to the body because the central command pannal is like our brain and if bad bacteria or viruses come in to the body the "security system" goes of and the "police" aka the anti bodes go fight the intrude