Ive done that lab, an acceptable response is just a hypothesis question. Make sure to have an if, then, and a because. If you add the question I will provide an answer.
Answer: Blood flowing through the circulatory system transports nutrients, oxygen, and water to cells throughout the body. The journey might begin and end with the heart, but the blood vessels reach every vital spot along the way. These arteries, veins, and capillaries make for a vast network of pipes. If you were to lay out all the blood vessels of the body in a line, they would stretch for nearly 60,000 miles. That’s enough to circle the earth almost three times!
Explanation:
Lithosphere because oil, coal, and natural gas are all located in the crust.
Air passes from the trachea into the lungs through two large tubes called : Bronchi
Bronchi has the function to conducts air to the lungs (it somehow acts as an airway to the respiratory system)
hope this helps