what organic compound makes up nails
1 Organic compounds always have carbon joined to itself or hydrogen, and other elements like oxygen, and nitrogen, phosphorus, or sulfur. 2  16. 3  There are organic compounds that make up you!- your hair, your skin, even your fingernailsâ¦ And carbon is a part of all of the compounds. 15. 2  Organic compounds always have carbon joined to itself or hydrogen, and other elements like oxygen, and nitrogen, phosphorus, or sulfur. 3  16. 4  There are organic compounds that make up you!- your hair, your skin, even your fingernailsâ¦ And carbon is a part of all of the compounds. 5  17.