A major effect of long-term weightlessness involves the loss of bone and muscle mass. Without the effects of gravity, skeletal muscle is no longer required to maintain posture and the muscle groups used in moving around in a weightless environment differ from those required in terrestrial locomotion.
Marina /ma-ri-na/ [3 sylls.] as a girls' name is pronounced mah-REE-nah. It is of Latin origin, and the meaning of Marina is from the sea. From marine. A saint's name. Shakespeare gave the name to Pericles' daughter in his play Pericles, Prince of Tyre.
Derived from the given name MATEO. MARADONA Spanish. Locative name coming from the name of a place near Lugo in northern Spain ... [more]. MARIA MarÃ­a. Spanish from the given the NAME. MARIA MarÃ­a, Marino. Italian spanish derived from the GIVEN. name marinof locative origin, from the name of towns in Spain and Italy (there are two near Milan in northern Italy: Busto Arsizio and Busto Garolfo, colloquially called Busto Grande large Busto and Bustino little Busto) ... [more].