Answer:
D
Explanation:
the only thing that sets our sun apart from others is that its closer
The bulky shape of fat cells makes them ideal for filling spaces of connective tissue. The fat cells represent a type of connective tissue.
The adipose tissue is a type of connective tissue composed of fat cells known as adipocytes.
These cells (adipocytes) are specialized cells that store fats, which can be produced by the human body or obtained from the diet.
The shape of the adipocytes can be spherical, oval, polyhedral (as part of adipose connective tissue), etc.
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Melatonin I believ eis your answer. Not melanin like the pigment in our skin but melanin the sleep hormone.