NASA's Space Biology Outreach Program - Web of Life

Describing and discussing NASA's space missions and research is the goal of the Space Biology Outreach Program Web of Life. Questions covered range from those about the effect of weightlessness on the health of the astronauts to the significance of finding life on Mars to the definition of gravity. The Flight Experiments link on the same menu relates almost a dozen experiments that have been performed on space flights. Visitors can read about arterial remodeling and functional adaptations in the space experiment that used rats to model the human arterial system. Additionally, they can learn about how the blood vessels of the rats were examined to detect changes in a gravity-free environment. Finally, teachers should be sure to explore the Learning Resources section, which includes activities, resources, and links for teaching students of all ages.

http://weboflife.nasa.gov/

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