The major movement produced during quiet breathing is accomplished by the

A. scalenes.
B. diaphragm.
C. external intercostals.
D. internal intercostals.
E. transverses thoracis.


B

Anatomy & Physiology

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The first group of vertebrates to successfully colonize land was the __________________

Fill in the blank with the correct word.

Anatomy & Physiology

Some species of fish are able to produce electrical discharges. These fish

A) Produce discharges continuously from their electric organ. B) Produce only weak discharges of approximately 1 volt. C) Have a specialized electric organ of highly derived nerve and muscle cells known as electrocytes. D) Are known as strongly electric fish.

Anatomy & Physiology

What is lung compliance? How is it that surfactants increase lung compliance?

What will be an ideal response?

Anatomy & Physiology

The anterior cruciate ligament, of the knee joint, anchors the tibia bone to:

A) a ligament. B) another bone. C) a bursa. D) a muscle.

Anatomy & Physiology