Most blood flows across to the left atrium through a shunt called the foramen ovale. then from the <span>left atrium, </span>blood<span> moves down into the lower chamber of the </span>heart. <span>It is then pumped into the first part of the large artery coming from the </span><span>heart</span>
1) They are cold blooded
2) They respire both by Skin and lungs.
3) They lay eggs in water ; they have a 3 chambered heart.
Oxidative phosphorylation of the Aerobic respiration pathway.
