In a Runner Who Is Breathing Heavily During a Race

question 83

Multiple Choice

In a runner who is breathing heavily during a race, the rima glottidis is

• A) half closed.
• B) half open.
• C) open as far as possible.
• D) all the way closed.

---

Definitions:

Spindle Fibers

Protein structures that divide genetic material in a cell by pulling chromosomes apart during cell division.

Cytokinesis

The process during cell division in which the cytoplasm of a single eukaryotic cell is divided to form two daughter cells.

Eukaryotic Chromosomes

Linear DNA molecules contained in the nucleus of eukaryotic cells, associated with a large variety of proteins such as histones, facilitating gene regulation and chromosome organization.

Histone Proteins

Proteins that package and order DNA into structural units called nucleosomes, playing a key role in gene regulation and expression.