The Last Passageway of the Conducting Portion of the Respiratory

question 153

Multiple Choice

The last passageway of the conducting portion of the respiratory tract is called the

• A)terminal bronchiole.
• B)alveolar duct.
• C)respiratory bronchiole.
• D)alveolus.
• E)air sac.

---

Definitions:

Trigone

The triangle formed by the openings of the two ureters and the urethra in the internal floor of the bladder.

Tubular Reabsorption

The process by which the nephrons in the kidneys return substances from the filtrate to the blood, effectively conserving water, salts, and nutrients.

Metabolic Waste Products

Substances left over from metabolic processes, which the body needs to excrete because they cannot be used and are harmful if accumulated.

Urine

A liquid by-product of metabolism in humans and many animals, excreted by the kidneys and containing waste materials.