Answer:
I belive it is the urinary system
Explanation:
My reasoning is because you have 2 pairs of kidneys which filter excess water, and waste called urea from blood and urine. Connecting to the kidneys are ureter tubes, which come in pairs. I'm not sure if this helps, but I tried lol.
Answer: The molecule itself is the actual thing present.
while the diagram explains what makes up a molecule or what it looks like structurally
true
heart
lungs
muscles
hope this helps
creatine phosphate is the chemical that helps to regenerate ATP
