Bacteria and viruses in infected tissues easily enter lymph vessels. Bacteria and viruses can be picked up by lymphatic capillaries that have large openings to drain interstitial fluid. From here, microbes enter the lymphatic vessels.

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

a symbiotic relationship with the mitochondria

voluntary muscles are controlled by the cerebellum.