Answer:
The correct answer is D.
Explanation:
Papillary muscles, attached via chordae tendineae, help to close the valves and prevent regurgitation.
Pectinate muscles are parallel ridges in the walls of the atrium of the heart, mainly in right atrium. They can stretch during adverse loading conditions, to <em>help the right atrium to dilate without much wall stres</em>s.
1. ensure to follow the rubric
2. Formats help your research paper flow
Answer:
People who suffer from chronic migraines should consult their doctor to get their opinion and a potential diagnosis. Migraine can be formed by pinched nerves, stress, or a potential disorder. If you have a migrain, in order to self treat it you should lay down in a dark room with a cool rag over your eyes. Too much movement can cause dizziness and in worse cases hallucinations.
