A lumen is a cavity within a hollow organ or tube

Indicate whether the statement is true or false


T

Anatomy & Physiology

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The oropharynx contains lymphoid tissue called the palatine tonsils.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

The tonsils are composed of

A. lymphatic nodules. B. Peyer's patches. C. stem cells.

Anatomy & Physiology

The control of calcitonin excretion is an example of direct ________ regulation

A) endocrine B) pancreatic C) homeostatic D) hepatic E) vascular

Anatomy & Physiology

In a farm accident, a man has his arm severed midway between his wrist and his elbow. Which of the following bones was severed?

A. Radius B. Clavicle C. Ulna D. Humerus E. Both "radius" and "ulna" are correct.

Anatomy & Physiology