Exhibit 2-1 -Refer to the Exhibit

question 21

Multiple Choice

Exhibit 2-1
$$\begin{array} { l r r } & \text { Hans } & \text { Maria } \\\hline \text { Loads of laundry per hour } & 4 & 12 \\\text { Pages typed per hour } & 6 & 8\end{array}$$
-Refer to the exhibit.Suppose Maria types one fewer pages.How many loads of laundry can she do in the time saved on typing?  

• A) 2/3 of a load 
• B) 1 1/2 loads 
• C) 4 loads 
• D) 6 loads

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Definitions:

Cardiac Muscle Fibers

Cardiac muscle fibers are specialized heart muscle cells that contract rhythmically and make up the myocardium of the heart.

Intercalated Discs

Specialized connections between cardiac muscle cells that enable the rapid spread of electrical signals for synchronized heart contractions.

Striations

Parallel lines or grooves on a surface, muscle fibers, or minerals indicative of specific textures or patterns.

Superior Vena Cava

A large vein carrying deoxygenated blood from the head, neck, upper limb, and chest back to the heart.