The lymphatic system A) is a major part of the nervous system
B) controls the muscular system
C) is like a filter that identifies and destroys "bad stuff"
D) is like a filter that identifies and promotes the growth of "bad stuff"
Save and finish later

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11

Medullary cavities of long bones and spaces of spongy bone

Potassium is the correct answer i believe