Answer:
According to a mind-bending new theory, a black hole is actually a tunnel between universes—a type of wormhole. The matter the black hole attracts doesn't collapse into a single point, as has been predicted, but rather gushes out a "white hole" at the other end of the black one, the theory goes.
Answer:
A. Blood is pushed through vessels
Explanation:
Heart muscles contract and relax. The most important effect of this action on the human body is Blood is pushed through vessels.
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