ngẫu nhiên Pop Quiz

What happens during ventricular systole in a mammalian heart?
Choose the right answer:
Option A aortic pressure increases
Option B semilunar valves close
Option C atrioventricular valves open
Option D ventricular pressure decreases
 FuyuumiAmakusa posted hơn một năm qua
bỏ qua câu hỏi >>
save