Pls help with these two questions- it's all stuff I learned last year but I forgot and now I have to take a review assessment.

What best describes maintaining homeostasis

Which is a type of epithelial tissue? a. the skin on your hand b. cardiac muscle c. neurons d. cartilage

You are travelling on a long non-stop flight from tahiti to tampa. you have been in the air for about 7 hours and have not moved, since you boarded the plane at tahiti. you need to use the rest room and on standing up feel dizzy. the best explanation for your dizziness