The answer is red blood cells
I think calcium but i could be wrong
A. cerebellum
B. medulla oblongata
<span>1.<span>Understanding life. Primarily, studying biology gives you the essentials
and primal knowledge of life and how and what you can perceive from it, may it
be various fields of zoology, botany or anthropology, psychology, sociology and
etc. It lets you understand the different anatomies, physiologies and
behaviours on how they act independently, interact and influence one another. </span></span>
<span>2.Protecting life. It provides a sense of preserving life as your upmost
goal in studying biology. You came to an actualization to delve into this science
as to be a steward and a developer.</span>
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3.Responsibility. It comes with ethics. You become concerned with how
actions of a certain populace of a species can affect the entire ecosystem.
Human behavior has massive effects to the biosphere.</span>
<span>4.Advancement. The improvement and enhancement on how we can preserve and
understand life and the human populace develop and utilize the earth without
damaging its vital components.</span>
<span>5.Involve in the current issues and participate. You can be part of a
responsible scientist and individual, a citizen of science to stop and help grow
the serious concerns of today’s abusive human behaviours and life-threating concerns.</span>
<span>An explanation for a biological process that is substantiated by a large body of evidence is called a theory.
Good luck!
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