Which on of these is NOT true regarding the epidermis?

which of the following is true?

Which one of these is not a type of RNA?

Which structure keeps the atrioventricular (AV) valve flaps from prolapsing ? (i.e. going to far when they close)

Which one is not a function of the arrector pili?

What type of epithelial cells can change their shape and so are found in places like the urinary bladder which stretches (expands and recoils)?

Write the correct meaning for the  abbreviation:  IM 

Veins usually carry deoxygenated blood to the heart and arteries carry oxygenated blood away from the heart. Which vessels are arteries that carry deoxygenated blood and therefore exceptions to this rule?

In which phase of mitosis is the spindle complete,  and the duplicated chromosomes line up along the center line attached to the spindle at opposite ends?​

Which of the following is an example of healing by second intention?