The muscle pulls the lower jaw, tongue and the head forward is
Retractor
Protractor
Levater
Agonistic
Types of Skeletal Muscles -
1. Pronator and Supinator: The contraction of a pronator rotates the forearm to turn the palm downward or backwards. Supinator is the antagonist of pronator. A supinator contract to rotate the forearm and thus to make palm face upward or forward.
Hence, the correct option is b. protactor
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