Most people try and protect the iPhone's sensitive touchscreen technology, but forget that you have open orifices around the iPhone that can be susceptible to outside irritants. The iPhone's headphone jack is often left unprotected, even from iPhone protective cases. This is done so that you have easy accessibility to the headphone jack continually. It is useful to help keep it open, however you still have to clean inside and protect as best as possible. Here are some tips for protecting your iPhone's headphone slot. These treatments also apply to the types of inflammation of arthritis, such as rheumatoid arthritis, as well as anti-inflammatory drugs such as corticosteroids and non-steroidal anti-inflammatory drugs (NSAIDs), anti-rheumatic drugs (DMARDs ), As well as a relatively new drug called a biologic. The endocrine system is really a band of glands that regulate our bodies with hormones. The glands are ductless, in order that they release hormones directly into the bloodstream. Hormones are chemical messengers which have specific targets called receptors. There are three kinds of hormones: steroid hormones, amino acid derivatives, and peptide hormones. The concentration of hormones inside bloodstream is regulated through feedback loops.