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.
The verb marinate means to steep food in a marinade. A marinade is a savory acidic sauce in which a food is soaked to enrich its flavor or to tenderize it. The acid in marinades causes meat and poultry tissue to break down. This has a tenderizing effect. The breaking down of the tissue also causes meat and poultry to hold more liquid, making it juicier.