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.
A gin and tonic is a highball cocktail made with gin and tonic water poured over ice. It is usually garnished with a slice or wedge of lime. The amount of gin varies according to taste. Suggested ratios of gin to tonic are 1:1, 1:2, 1:3, and 2:3. In some countries (e.g. UK), gin and tonic is also marketed pre-mixed in single-serving cans.