D: all of the above. All statements are true.
The inner wall of the esophagus is lined with stratified squamous epithelium. It shows up as large purple on your slide. Notice that the cells at the base of this epithelial layer are cuboidal. This is the region where mitosis occurs.
;)
C. the amount of calories
Cross-contamination refer to a condition where microorganisms are unintended transferred from one subject to another and causing harmful effect to them
One thing that is NOT an example of cross-contamination is : food is prepared one day in advance