In systole, you should expect that your mitral valve and tricuspid valve to be closed (snap shut) and you should expect your pulmonary valve and aortic valve to open. Hope this helps
On a sunny day, a black leather car seat would be hotter than a tan cloth seat.
To reduce heat in a parked car on a sunny day, foil shields can be placed against its windshield. Foil has a reflective surface, so sunlight bounces off instead of being absorbed.
Bubonic plague is a deadly infectious disease commonly spread by rats. (<span>It follows infection by the bite of the chip of a rat or <span>rodent)</span></span>
