Vitamin D plays a vital role in the regulation of calcium deposits and maintenance of the phosphorous levels in the blood which are two elements that are significantly important for maintaining healthy bones.
The human body needs vitamin D to absorb calcium in the intestines and to recover calcium that would otherwise be excreted through the kidneys. It also essential for the development and strengthening of bones and it blocks the release of parathyroid hormones.
The answer would be letter E. None of the above
Answer: I think it's If a planet in our solar system is a gas giant planet it is far from the sun
It'll be much cleaner for the environment.
Answer:
30 chromosomes: the blood cells are somatic cells too
