THE BRAIN AND THE HEART WHICH IS MORE INPORTANT TO MAMMALS

in #science • 7 years ago

PUZZLE_20180603_172751.jpg THE BRAIN
According to MacLean (1990), the limbic system of this mammalian brain is the center of emotion and learning.
THE HEART
The heart is a complex muscle that pumps blood through the three divisions of the circulatory system and the center of circulation

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7 years ago in #science by
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