Explanation:
exons.
exons are the uncoding part of RNA which is removed to form mature RNA.
Tissues
Tissues are somewhat more complex units than cells. By definition, a tissue is an organization of a great many similar cells with varying amounts and kinds of nonliving, intercellular substance between them.
Constellation you are following.
Or if you are just seeing how the seasons change the constellations then you can see that too.
Might use the bathroom a lot to get rid of most of the blood because urine is water and if the water changes, the blood changes, so urine might happen if you want to get rid of all of the blood.
Spongy bone has trabecular which serve as reinforcing plates against a force. The loss of spongy bones causes weakening of the internal support that the compact bone requires and the entire bone breaks.