What Is the Advantage of Breathing Through the Nose Rather

question 50

Multiple Choice

What is the advantage of breathing through the nose rather than the mouth?

• A) The nose provides a site for initial gas exchange.
• B) The nose is a less turbulent environment than the mouth.
• C) The nose provides a more direct route over which air will travel.
• D) The nose warms, humidifies, and filters inhaled air.

---

Definitions:

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of deoxyribonucleic acid (DNA).

Homozygote Advantage

A situation where individuals with two identical alleles for a certain gene have a selective advantage over heterozygotes.

Polyploidy

The condition in which a cell or organism has more than two complete sets of chromosomes, often found in plants.

Aneuploidy

Any chromosomal aberration in which there are either extra or missing copies of certain chromosomes.