Its shell and its pincers (particularly the larger pincer) help protect it.
it uses its very hard shell
The skin
skin is used to protect the bones from any harm
bacteria, predators, diseases, natural occurrences, and pollutants all may harm a crab.
His mother dipped him in the River Styx as a child with his heels exposed because that's where she held him
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to watch over the people or to protect the people from harm
if you breath it in it will harm the human parts of youur body.
If you knew what a disease was, you'd know that they are things that harm or kill people. Then you'd know why the body needs to protect against them.
Lungs- smoking can turn them black.
The opposite of protect is attack.Attack, harm, hurt, injure...
A Christian can indeed protect himself from a direct threat of harm!