I belive its Grandular disorder theory
You would properly use the first aid kit in whatever way needed. And if it was serious you'd call 911.
The tadpoles take their food from the yolk of an egg. The egg yolk is equivalent to the placenta. T<span>he </span>placenta <span>attaches itself to the uterus to provide the </span>developing<span> foetus with blood and oxygen.</span>
I believe the answer is the systemic circuit