Will mark brainlest give least 2 examples

answer is both in human body the examples are below:

1.Muscle Cells which are one kind of specialized cell which contains actin and myosin proteins.

2.Nerve Cells which is also a specialized which contains neurexin protein

Above I have attached the answers and don't forget to mark me as The Brainlist

Thank you

d is the best answer for this question.

its hard for me to see which word is supposed to be in bold. if i knew then i would be able to better.