For each lobe of a lung there is one

A. secondary bronchus.
B. tertiary bronchus.
C. bronchiole.
D. primary bronchus.


Answer: A

Anatomy & Physiology

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The hormone calcitonin functions to

A) stimulate osteoclast activity. B) decrease the rate of calcium excretion. C) decrease the rate of calcium absorption. D) decrease the level of calcium ion in the blood. E) stimulate osteoblasts and inhibit osteoclasts.

Anatomy & Physiology

Energy transformations result in ________ in entropy.

an increase a decrease no change

Anatomy & Physiology

Sympathetic fibers leave the spinal cord in the ________.

A. lumbar and sacral regions B. cranial and thoracic regions C. cranial and sacral regions D. thoracic and lumbar regions E. cervical and sacral regions

Anatomy & Physiology

At rest, more blood flows to the skin and abdominal organs than to the lungs

Indicate whether the statement is true or false.

Anatomy & Physiology