The two numbers that measure your blood pressure are written like a fraction: one number on top and one on the bottom -- for example, 128/82. Systolic blood pressure measures the pressure inside your blood vessels at the moment your heart beats. The number on the bottom is your diastolic pressure.
Ginny Weasley's wand is made of yew wood with an unknown length and core materials. The wand was manufactured by Garrick Ollivander sometime before Ginny began her education at Hogwarts School of Witchcraft and Wizardry. Ginny conjuring a horse Patronus with her wand.
When a magician waves his hands over a hat and pulls out a rabbit, he is performing an act of legerdemain or trickery. Legerdemain can be used literally to describe a magic trick, or figuratively to describe some other kind of trickery or deceit. If you and some friends cook up a scheme that involves telling complicated lies so that you can stay out all night, you are guilty of legerdemain.