Costa Rica is surrounded by the Pacific Ocean and the Caribbean Sea. It also borders the Gulf of Nicoya.
Raynaud's phenomenon.
Scleroderma is a group of autoimmune diseases that may affect different parts of the body with special intensity in the skin. Some of the affected structures may be blood vessels. Because of this, when exposed to cold, vasoconstriction occurs and the Raynaud's phenomenon is manifested in the extremities of the body.
About 10% because I know about 90-95% of DNA is junk DNA(doesnt perform serious function)
