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The sentences given below, when properly sequenced, form a coherent paragraph. Each sentence is labelled with a number. Decide on the most logical order and enter the sequence of numbers in the space provided.

  1. In this microgravity environment, your blood also tends to move towards the heart and head.
  2. Both effects are only short-lived and, after a brief period of readjustment on arriving back home, the heart and spine return to normal.
  3. The heart interprets this as an increase in the amount of blood in the body and that it needs to pump less, so it shrinks.
  4. In space with less gravitational force than on Earth, there’s less pressure on your spine and so it’ll get a bit longer, effectively making you as much as two inches taller.

Entered answer:

Solution

Correct Answer: 4132

The passage talks about physiological changes astronauts experience in space environment

Link A (4 → 1): "In this microgravity environment" and "also" connect to space environment and add blood circulation effects

Link B (1 → 3): "The heart interprets this" directly references blood moving to heart and head from sentence 1

Link C (3 → 2): "Both effects" refers back to spine lengthening and heart shrinking effects mentioned earlier


Introduction: Sentence 4 is the introducing sentence because it establishes the space/microgravity environment setting

Conclusion: Sentence 2 is the concluding sentence because it summarizes both effects and their temporary nature


Assembling: Space environment introduction, blood circulation effect, heart response, then summary of both effects

Hence the correct order is 4132

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