Multiple Choice
How many origins are there for the biceps brachii muscle?
10. Muscles
Origin and Insertion
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A muscle that is inserted on the mandible is probably involved in __________.
A
kissing
B
frowning
C
chewing
D
blowing
E
wrinkling the forehead
Verified step by step guidance1
Identify the function of the mandible: The mandible, or lower jawbone, is primarily involved in the movement necessary for chewing and speaking.
Consider the role of muscles attached to the mandible: Muscles inserted on the mandible are responsible for movements such as opening and closing the mouth, which are essential for chewing.
Analyze the options provided: Kissing, frowning, blowing, and wrinkling the forehead involve muscles in different areas of the face, not primarily the mandible.
Focus on the action of chewing: Chewing requires the mandible to move up and down and side to side, which involves muscles like the masseter and temporalis that are inserted on the mandible.
Conclude that the muscle inserted on the mandible is most likely involved in chewing, as this action directly requires the movement of the mandible.
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