Which statement describes the trachea?

A. It is lined with simple squamous epithelium.
B. It is comprised of 20 C-shaped cartilage rings.
C. It contains no air-filtering mechanisms.
D. It is a passageway for food and for air.


Answer: B

Anatomy & Physiology

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The heart is ________ to the lungs

A) lateral B) medial C) posterior D) proximal E) distal

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When a muscle fiber contracts, the I bands nearly disappear, the H zones disappear, and the A bands move closer together but do not change in length

Indicate whether the statement is true or false

Anatomy & Physiology

Which of the following is true of D-glucose and L-glucose?

What will be an ideal response?

Anatomy & Physiology

The corpus callosum ________

A) separates the lateral ventricles of the cerebral hemispheres B) consists of fibers that connect the cerebral hemispheres C) is an important cerebral hemisphere nucleus D) passes between the diencephalon and basal ganglia

Anatomy & Physiology