Help plz and add explanation too plz

The answer is option e. it protects the heart and lungs.

This is what i found on google“ the monomers combine with each other via covalent bonds to form larger molecules known as polymers. in doing so, monomers release water molecules as byproducts. this type of reaction is known as dehydration synthesis, which means “to put together while losing water. in the process, a water molecule is formed.” i hope this you

What do you mean about innate behavior i don’t get it

I’m not really sure