My grandma died last night at 10: 58 and i still can not believe it and it does not feel like it's real. and i not very sad. is this normal?

This is one popular brand of exercise machine

If scientists are trying to use what they know about hsv to devise a means of protecting other people from being infected, which of the following would have the best chance of lowering the number of new cases of infection? a) vaccinate of all persons with preexisting cases of hsvb) interfere with new viral replication in preexisting cases of hsvc) treat hsv lesions to shorten the breakoutd) educate people about avoiding sources of infection

Cardiac output is affected by heart rate exercise stroke volume all of the above