ELI5 How do crabs and spiders get bigger after sheding their skin assuming there smaller then it when they start

Question

ELI5 How do crabs and spiders get bigger after sheding their skin assuming there smaller then it when they start

In: Biology

Answer 1

After they shed, their shell is very soft. They can inflate with air or water to puff up their bodies, and then the shell hardens in their new larger size.