How does a flatworms brain compare to yours?
a. it connects to all the same organs as yours
b. it is very primitive in comparison
c. although smaller it holds the same amount of information

Which of the following statements accurately defines epidermis? a. a thick protein fiber composed of the protein collagen b. hard, dense bone tissue found on the outer surface of a bone c. single layer of epithelial cells and the underlying basal lamina d. outer, protective layer of the skin composed of stratified squamous keratinized epithelial tissue