Sometimes epiphora is not a result of excessive tear production but is a problem with tear drainage. Normally tears exit the eye through small holes called puncta, which leads to a duct called the nasolacrimal duct which empties out into the nose. This is why we have to blow our noses whenever we have a good cry.
Arithmetic (from the Greek á¼ÏÎ¹Î¸Î¼ÏÏ arithmos, number) is a branch of mathematics that consists of the study of numbers, especially the properties of the traditional operations between themâaddition, subtraction, multiplication and division.
Math is the science of counting and manipulating of numbers and numerical concepts. It ranges from simple arithmetic, to geometric shapes, to complex variables and calculation â¦ s that describe time, space, and motion. Do the Math with an Online Calculator For many people, whether in school or out, math is the bane of their existence. 2  Many an hour has been spent in math class by students wondering when this particular skill wouâ¦.