Answer:
multipennate; triangular
Explanation:
The deltoid is referred to as the muscle that plays an important role in the ability for the arm to be lifted and also the movement of the shoulder. It is found at the upper part of the shoulder and arm. The fascicle of the deltoid which is represent bundle of fibers of the muscle is multipennate, meaning it is has several tendons arranged at several angles.
The pectoralis is a muscle located at the chest region of humans. It takes up a large portion of the chest muscles and prominent under the breast. The fascicles of the pectoralis is triangular, meaning it is converged towards one tendon.
