Hormones | Back to Top. The endocrine system is a collection of glands that secrete chemical messages we call hormones. These signals are passed through the blood to arrive at a target organ, which has cells possessing the appropriate receptor. Exocrine glands (not part of the endocrine system) secrete products that are passed outside the body. Sweat glands, salivary glands, and digestive glands are examples of exocrine glands. The roles of hormones in selecting target cells and delivering the hormonal message.
Passport validity and the least six month rule. The requirement that a passport is valid for travel for six months beyond the holderâs stay in the United States is waived for certain nationalities, including British Citizens. Please visit 9 FAM 403.9 for more information .
For travel to New Zealand, Fiji or Cook Islands a passport is required; however a Visa is not required for short tourist stays. If traveling to New Zealand, the Department of Immigration (New Zealand) requires your passport to be valid for 3 months beyond your travel return date. A New Zealand Visa is not required. For Fiji, the Department of Immigration (Fiji) requires that you have 6 months validity on your passport beyond your travel dates.