Answer:
The correct answer is option b. is the attachment to the immoveable bone
Explanation:
The origin is the site that doesn't move while muscle contracts. The insertion is the site that does move when the muscle contraction occurs.
The skeletal Muscles in most of the cases have the origin at the attachment to the immovable bones. During contraction, it produces an action or a movement of the appendage.
Thus, the correct answer is option B. is the attachment to the immovable bone.