During Its Time on the Asymptotic Giant Branch, the Sun

question 142

Multiple Choice

During its time on the asymptotic giant branch, the Sun will eventually evolve into a red supergiant star with the brightness of _____ and a diameter of _____.

• A) 10,000 Suns; about Earth's orbit
• B) the Sun; Mercury's orbit
• C) about 1 million Suns; the whole solar system
• D) about 10,000 Suns; 1/10 that of the Sun

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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.