Explain how the heart of a double-pithed frog can continue to contract in an organized manner after the nervous system is destroyed

What will be an ideal response?


The heart has a pacemaker (sinoatrial node) and its own conduction system, which can operate independently of the nervous system.

Anatomy & Physiology

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The infancy stage of life is considered to be over when the baby reaches ________ of age

A) 1 year B) 2 years C) 6 months D) 1 month E) 18 months

Anatomy & Physiology

A type of cell that insulates , supports, and protects the neurons "nerve glue"

Anatomy & Physiology

What structure carries the electrical impulse from the AV node toward the apex of the heart?

A. Atrioventricular bundle B. Atrioventricular node C. Purkinje fibers D. Sinoatrial node

Anatomy & Physiology

Factors that contribute to the prevalence of peanut allergy in the U.S. include the fact that

A) peanuts lack allergens. B) dry roasting activates the responsible allergens. C) peanut antigens are in infant formula. D) peanut allergens are stopped and destroyed in the stomach, causing cramps.

Anatomy & Physiology