The property that allows the heart to initiate each heartbeat itself is called ________.

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


autorhythmicity

Anatomy & Physiology

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A small rough bump on bone where a tendon attaches is called a

A) tubercle. B) trochanter. C) trochlea. D) tuberosity. E) trabecula.

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Blood returning to the heart from the pulmonary circuit first enters the

A) right atrium. B) right ventricle. C) left atrium. D) left ventricle. E) conus arteriosus.

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Foreign particles

A.  are more likely to lodge in the right primary bronchus. B.  are more likely to lodge in the left primary bronchus. C.  lodge equally often  in each of the two primary bronchi.

Anatomy & Physiology

Structures that function in intercellular communication include ________.

A. gap junctions B. desmosomes C. hemidesmosomes D. tight junctions E. centrioles

Anatomy & Physiology