<span>C) the force of gravity</span>
Answer: I don’t think so...
Explanation:
Answer:
ok
Explanation:
Hi I think the answer is bit C but I am not sure
Answer:
It prevents harmful substances from entering a cell.
Explanation:
Answer:
Blood clotting normally occurs when there is damage to a blood vessel.
Explanation:
Platelets immediately begin to adhere to the cut edges of the vessel and release chemicals to attract even more platelets. A platelet plug is formed, and the external bleeding stops.
Next, small molecules, called clotting factors, cause strands of blood-borne materials, called fibrin, to stick together and seal the inside of the wound. Eventually, the cut blood vessel heals and the blood clot dissolves after a few days.
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