Sentences with phrase «fight against the force of gravity»
In the legs the veins constantly have to fight against the force of gravity.
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These valves have an extremely important role to play inside the legs, since they have to constantly fight against the force of gravity to push the blood back towards the heart.
The compression stockings help the veins fight against the force of gravity where it is strongest, and the veins are most prone to loosening up.
Not exact matches
When such a star runs out of fuel, there is no longer enough heat and energy to fight back against the force of their own gravity.
The property results from the way they form: When a giant star runs out of fuel and can no longer fight against the crushing force of its gravity, its core shrinks to the size of an asteroid, and most of its mass is blasted away in a titanic explosion called a supernova.