Two Important Advantages of Secondary Data Are

question 10

Multiple Choice

Two important advantages of secondary data are:

• A)they are inexpensive and up-to-date.
• B)they are up-to-date and supply all relevant categories of information.
• C)they are usually inexpensive and save time.
• D)they are tailor-made to your specifications and relatively inexpensive.

---

Definitions:

Submucosa

A layer of dense irregular connective tissue that lies beneath the mucosa, providing support and containing blood vessels, nerves, and glands.

Lamina Propria

A layer of loose areolar connective tissue found beneath the epithelium of many organs, particularly in mucous membranes.

Lower Respiratory Tract

This term refers to the part of the respiratory system that includes the trachea, lungs, bronchi, and alveoli, involved in the exchange of gases.

Upper Respiratory Tract

The upper respiratory tract includes the nose, nasal cavity, mouth, pharynx (throat), and larynx (voice box), playing a key role in air passage, filtration, and immune defense.