-This Russian bicycle is used to maintain crew fitness. (21k)

-Red blood cells are monitored to see how they are produced and how they change in space. (14k)

-A diagram and explanation of how the blood in our bodies reacts to being in space. (22k)

-This Baroreflex device measures heart rate and blood pressure responses to the valsaliva maneuver. (31k)

-A microscopic image of bone used to study the effects of space on bones. (21k)

-A picture of crystals grown on Earth. (15k)

-This woman attempts to regain her equilibrium after a sudden push. (27k)

-The Greenhouse Experiment Harvest Kit is used to take samples of dwarf wheat grown during this experiment. (26k)

-Coordination of head and eye movements in space are evaluated by this device. (35k)

-This negative pressure bag pulls fluids into the lower body while heart rate and blood pressure are monitored. (70k)

-This Russian mass-measuring unit allows scientists to monitor body mass. (25k)

-Metabolism studies rely on periodic blood draws from crew members. (41k)

-This Russian quail incubator carries fertilized quail eggs into space. (28k)

-Cross sections of rat muscle show the effect of space on muscles. Left=Earth, Right=Space. (45k)

-The SAMS measures and records accelerations caused by activity such as engine firings or crew motions. (15k)

-A crystal grown in space. (11k)

-Astronauts store blood, urine and saliva samples in a specially designed refridgerator-freezer. (27k)

-The blood, urine and saliva samples are tested back on Earth for changes in volume and composition. (20k)

-Crew performance on the treadmill is used to evaluate muscle tone and strength. (45k)

-Crew locomotion is studied before and after the flight to contrast the differences. (27k)

-This dwarf wheat is grown in space. (40k)

-This device is used to grow crystals in space. (17k)

-Pictures of crystals and an explanation of the study of crystals. (54k)