Midbrain. The midbrain, also called the mesencephalon, is a small region of the brain that serves as a relay center for visual, auditory, and motor system information. It regulates autonomic functions, those that the body carries out without conscious thought, such as digestion, heart rate, and breathing rate.
A rational number is one that can be expressed as a fraction (or ratio), e.g. 1/3. There are fractions that are near Pi, for example: 22/7 = â¦ 3.142857 (PI = 3.14159265...) A closer fraction is: 355/113 = 3.14159292 However whatever fraction you have, you will never get exactly PI.
Rational Number. A rational number is a number that can be expressed as a fraction where and are integers and. A rational number is said to have numerator and denominator. Numbers that are not rational are called irrational numbers. The real line consists of the union of the rational and irrational numbers. rational number is a number that can be expressed as a fraction where and are integers and. A rational number is said to have numerator and denominator.