The last heart valve that blood reaches before it is deoxygenated is the: aortic valve.
tricuspid valve.
mitral valve.
pulmonary semilunar valve.

Curology what technique are the advertising using?

Name three bad things that can happen to a teenager who has no refusal skills and no self-control:

There is only one copy machine at your office. you have to make 1000 copies of an expense report. after you begin copying, two other employees show up in the copy room. each has to make only 10 copies each. what is the proper etiquette in this situation?