Which of the following muscles is named for its shape? A. poctoralis major B. ad
ID: 181535 • Letter: W
Question
Which of the following muscles is named for its shape? A. poctoralis major B. adductor pollicis C. vastus lateralis D. trapezius E. pectoralis minor The flexion of the elbow represents a A. class I lever system. B. class II lever system. C. class III lever system. D. class IV lever system. E. nonlever system. Which of the following muscles is involved in chewing gum? A. masseter B. splenitis capitus C. orbicularis oris D. zygomaticus major E. orbicularis oculi The orbicularis oris muscle A. puckers the mouth for kissing B. contributes to pouting C. contributes to laughing and smiling. D. causes crow's feet wrinkles. E raises the eyelid. The major movement produced during quiet breathing is accomplished by the A. scalenes. B. diaphragm. C. external intercostals. D. internal intercostals. E. transverses thoracis.Explanation / Answer
89 Which of the following Muscle is named for it shape is
Answer D. trapezius
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90. the flexion of the elbow represents
Answer c.class III lever system.
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91
Which of the following muscles is involved in chewing gum?
Answer : a .masseter
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92 . the orbicularis oris muscle
Answer : a puckers the muscle for kissing
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93 The major movement produced during quiet breathing is accomplished by the
Answer : Diaphragm
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trapezius : it is one of two substantial shallow muscles that expand longitudinally from the occipital issue that remains to be worked out lower thoracic vertebrae and horizontally to the spine of the scapula (shoulder bone). Its capacities are to move the scapulae and bolster the arm.
The trapezius has three practical areas: the predominant locale (slipping part), which bolsters the heaviness of the arm; the transitional district (transverse part), which withdraws the scapulae; and the second rate district (rising part), which medially turns and discourages the scapulae.
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the orbicularis oris muscle is a complex of muscles in the lips that encloses the mouth. Up to this point, it was misconstrued as a sphincter, or round muscle, yet it is really made out of four free quadrants that intertwine and give just an appearance of circularity.
It is likewise one of the muscles utilized as a part of the playing of all metal instruments and some woodwind instruments. This muscle shuts the mouth and puckers the lips when it contracts.he orbicularis oris is not a basic sphincter muscle like the orbicularis oculi; it comprises of various strata of solid strands encompassing the opening of the mouth, however having diverse course. It comprises somewhat of filaments got from the other facial muscles which are embedded into the lips, and mostly of strands appropriate to the lips. Of the previous, an extensive number are gotten from the buccinator and frame the more profound stratum of the orbicularis.
A portion of the buccinator filaments—specifically, those close to the center of the muscle—decussate at the edge of the mouth, those emerging from the maxilla going to the lower lip, and those from the mandible to the upper lip. The highest and lowermost filaments of the buccinator go over the lips from side to side without decussation.
Shallow to this stratum is a moment, shaped on either side by the caninus and triangularis, which cross each other at the point of the mouth; those from the caninus going to the lower lip, and those from the triangularis to the upper lip, along which they keep running, to be embedded into the skin close to the middle line. Notwithstanding these, filaments from the quadratus labii superioris, the zygomaticus, and the quadratus labii inferioris blend with the transverse strands above depicted, and have essentially a sideways course. The best possible strands of the lips are diagonal, and go from the under surface of the skin to the mucous film, through the thickness of the lip.
=================================================================The term stomach in life systems can allude to other level structures, for example, the urogenital stomach or pelvic stomach, yet "the stomach" for the most part alludes to the thoracic stomach. In people, the stomach is marginally deviated—its correct half is higher up (unrivaled) to one side half, since the huge liver rests underneath the correct portion of the stomach.
Different warm blooded creatures have stomachs, and different vertebrates, for example, creatures of land and water and reptiles have stomach like structures, however critical points of interest of the life structures change, for example, the position of the lungs in the stomach pit.
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