According to the in Focus Box: What You Really Want

question 123

Multiple Choice

According to the In Focus box: What You Really Want to Know About Sleep, yawning is:

• A)caused by too much carbon dioxide in a person's blood.
• B)typically followed by an increase in a person's activity level.
• C)caused by too little oxygen in a person's blood.
• D)not contagious.

---

Definitions:

Kansas-Nebraska Bill

Legislation passed by the U.S. Congress in 1854 that allowed residents of Kansas and Nebraska territories to decide whether to allow slavery, leading to violent conflict in the region known as "Bleeding Kansas."

Senate

The Senate is the upper house of a bicameral legislature in many countries, often responsible for passing laws, confirming appointments, and other governmental duties.

Bleeding Kansas

A series of violent political confrontations in the United States between 1854 and 1859 involving anti-slavery Free-Staters and pro-slavery "Border Ruffian" elements in Kansas Territory.