The 5-Second Trick For Body Structure & Size
It then travels on the atrioventricular node, that makes the signal slow down a little bit enabling the ventricles to fill with blood just before pumping it out and beginning the cycle another time.[15]Abdominopelvic cavity: An imaginary line working through the hip bones and dividing the body to the abdominal and pelvic cavities:Dorsal cavity: B