When blood vessels open wider during exercise they are said to what

If an online school program (i. e k12, ecot) assigns me a computer, would it be ok to use social media on it? would i get in trouble? i am not really sure from reading their terms and such.

The process by which the diameter of the bone increases is called? a-metaphysic b-appositional growth c-diaphysics d-epiphysis

Which of the following are examples of coordinate headings