Which one of the following are direct branches of the left coronary artery:

A) circumflex and marginal arteries
B) anterior and posterior interventricular arteries
C) anterior interventricular and marginal arteries
D) anterior interventricular and circumflex arteries
E) posterior interventricular and marginal arteries


Ans: D) anterior interventricular and circumflex arteries

Anatomy & Physiology

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An increase in parasympathetic activity ____________________ the atrial contractility

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Anatomy & Physiology

Arrange the following structures in the order air passes through them during inhalation: (1) alveolar ducts (2) alveolus (3) respiratory bronchiole (4) terminal bronchiole

A. 1, 2, 3, 4 B. 2, 1, 3, 4 C. 4, 3, 1, 2 D. 3, 2, 1, 4 E. 4, 3, 2, 1

Anatomy & Physiology

The __________ is the region of a solution that is in direct contact with the animal's body surface

Fill in the blank with the correct word.

Anatomy & Physiology

Explain why blood is classified as a connective tissue.

What will be an ideal response?

Anatomy & Physiology