By Default, SceneNode Translations Are Done in Space

question 12

Multiple Choice

By default, SceneNode translations are done in space.

• A) world
• B) screen
• C) local
• D) parent

Explain the functional significance of the heart muscle's structure, including the thickness of the ventricular walls.

Identify the coronary arteries and their role in the heart's blood supply.

Understand the sequence and significance of electrical excitation in the heart.

Describe the venous system of the heart, including the vessels involved in collecting deoxygenated blood.

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Definitions:

Pectinate Muscles

Internal ridges of myocardial tissue in the atria of the heart, particularly pronounced in the right atrium.

Chordae Tendineae

Tendinous strands running from the papillary muscles to the atrioventricular valves.

Endocardium

Innermost layer of the heart, including endothelium and connective tissue.

Semilunar Valve

Valves located at the bases of the aorta and the pulmonary artery that prevent the backflow of blood into the ventricles of the heart during contraction.