You are viewing an organ of the respiratory system and note the following tissues: hyaline cartilage plates arranged in a circle, pseudostratified epithelium, and smooth muscle. Identify the organ

A) Bronchus
B) Trachea
C) Terminal bronchiole
D) Alveolar duct


Answer: A

Anatomy & Physiology

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The __________ show(s) a remarkable degree of degeneration (involution) with age.

A. lymph nodes B. thymus C. spleen D. pharyngeal tonsils E. appendix

Anatomy & Physiology

Calcitonin

A. decreases osteoblast activity. B. decreases osteocyte activity. C. is associated with decreased osteoclast activity. D. decreases osteochondral progenitor cell activity. E. has no effect on bone cells.

Anatomy & Physiology

Which of the following is an example of an incomplete protein food?

A. Leafy green vegetables B. Meat C. Eggs D. Cheese E. Milk

Anatomy & Physiology

Extreme lumbar curvature is called ___________________. ________________________________________

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology