Mucous Membranes Are Quite Thin and Fragile

question 2

Multiple Choice

Mucous membranes are quite thin and fragile. How can such delicate tissue provide defense against microbial invaders?

• A) the mucus secreted by the mucous membrane physically traps microbes.
• B) the mucus contains a variety of antimicrobial chemicals and molecules.
• C) both the mucus and the outer layer of cells are shed frequently.
• D) the mucus is a physical trap that contains a variety of antimicrobial chemicals.
• E) the mucus physically traps microbes, contains a variety of antimicrobial chemicals, and is shed constantly, along with the outermost layer of cells.

---

Definitions:

Format Method

A method used to prepare data in a specific format, usually by converting it into a string or formatting numbers, dates, or other types of data.

Decimal Number

A number expressed in the base 10 numeral system, which consists of digits 0 to 9 and uses a decimal point to represent fractions.

Valid Statement

A well-formed instruction that adheres to the grammar and syntax rules of the programming language in which it is written.