I think the veins absorb the photons because they're located at the top part of a leaf while the stomata that serves as the leaf's lungs are found at the under side.
The correct answer would be The Heart
Answer:
Is a push or a pull that causes a moving object to change it's motion; makes objects move or stop; can make an object that is standing still start to move in the direction of the force; can make an object move faster, slow down, stop, or change position. friction.
