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What if trees had hearts?

A classical theme in vegetal physiology and vegetal biology is how do plants absorb water from the ground and distribute it up to every branch, leaf and flower? 795 kata lagi


Who Doesn't Like Happy Faces?

The following picture was making the rounds this week on FB

My first reaction was to smile, of course.

Then I thought, wait a second, those are not cells. 579 kata lagi



The road I’m on is long and straight and disappears into the horizon. And if when I come upon that distant point, I find only that it goes on and on.

530 kata lagi

Chapter 7. Transport [JHS]

Mammals transport system are made of: heart and blood vessel.
Mammals have double circulatory system because the blood travels through the heart twice.

The Heart… 240 kata lagi

Biology Cambridge