In vertebrates other than fish, the cardiac pacemaker cells are located in an area of the right atrium called the __________

Fill in the blank with correct words.


Answer: Sinoatrial node

Anatomy & Physiology

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The shaft of a long bone is called the

A) epiphysis. B) trabecula. C) canaliculus. D) diaphysis. E) lamella.

Anatomy & Physiology

The roof of the oral cavity is formed by the

A) vestibule. B) hard and soft palate. C) palatal arches. D) upper labium. E) pharynx.

Anatomy & Physiology

Which of the following is/are possible uses of amino acids in energy production?

A. Forming intermediate molecules of carbohydrate metabolism B. Forming a ketoacid that can enter the citric acid cycle C. Forming NADH that enters the electron-transport chain D. All of the choices are correct.

Anatomy & Physiology

Which of the following conditions is most likely to occur in someone who is immobile?

A) ?Embolism
B) ?Thrombosis
C) ?Hematoma

Anatomy & Physiology