For Gas Exchange to Occur Quickly and Efficiently, Which Type

question 51

Multiple Choice

For gas exchange to occur quickly and efficiently, which type of epithelium must be present on all respiratory surfaces?

• A) pseudostratified columnar epithelium
• B) simple squamous epithelium
• C) ciliated columnar epithelium
• D) stratified squamous epithelium
• E) ciliated squamous epithelium

---

Definitions:

Acetylcholine

A neurotransmitter important for learning, memory, and muscle movement.

Enzyme

A biological molecule that acts as a catalyst, speeding up chemical reactions in the body without being consumed or altered in the process.

Body Fluids

Liquids originating from inside the bodies of living organisms, which include blood, saliva, semen, and sweat, among others.

Central Nervous System

The primary information processing center of the body, consisting of the brain and spinal cord, responsible for processing and sending out signals.