Blood vessels located in the
supply the stratum basale with
nutrients required for cell division.

The topmost layer, the stratum corneum, consists of dead cells that shed periodically and is progressively replaced by cells formed from the basal layer. The stratum basale also contains melanocytes, cells that produce melanin, the pigment primarily responsible for giving skin its color.

Explanation:

its "give abdominal thrusts" that way you can dislodge the object in the persons throat.

answer; all of the above;