Answer:
I want to say it is the middle layer. But not 100% sure. Sorry if its wrong.
I believe the answer is c) 9:3:3:1 ratio (9 polka-dot tails and short eyelashes, 3 polka-dot tails and long eyelashes, 3 solid tails and short eyelashes 1 solid tail and long eyelash)
Skeletal muscles play a key role in the movement of blood around the body. Veins embedded within a muscle are compressed during contraction of that muscle, causing an increase in blood pressure due to the presence of one-way valves within the veins.
The correct answer is the insertion.
<span>Insertion is the attachment site of the muscle end that does move when the muscle contracts. On the other hand, the origin is the attachment site that does not move during contraction (end of the muscle is fixed).</span>
