The Number Zero (0) Is a Rational Number

question 199

True/False

The number zero (0) is a rational number.

---

Definitions:

Lingual Lipase

An enzyme secreted by the glands in the tongue that begins the digestion of lipids (fats) in the mouth.

Olfactory Epithelium

Epithelium of the olfactory recess containing olfactory receptors.

Nasal Cavity

The large air-filled space behind the nose, involved in breathing, smell, and mucus production to filter air entering the respiratory system.

Nasolacrimal Ducts

The ducts that carry tears from the lacrimal sacs of the eyes into the nasal cavity, facilitating tear drainage.