Explanation:
1 Pulmonary circulation
2 supply of nutrients and the removal of waste
3 cardiovascular system
4 systemic circulation
5 heart
7 blood
Hello there,
Your correct answer would be "<span> it answers scientific questions using a formal method". So basically, this is basically like a cycle, a scientific question can always come back to be a scientific process, so they can come back at each other also.
Hope this helps.
~Jurgen</span>
