Answer:
Cause you have to learn in School, not sleep
<span>So all of the senses play into our entire human experience. With the absence of just one sense we can see how it effects the individual. We use vision to pick up on cues of body language. We use smell to help us to know what is safe to eat and what is not. We use our sense of touch to embrace and strengthen human connection.</span>
Heart Attack is a real emergency
My second choice is Blood
After your period is due and has passed after 5 days then check again or take a urine test.