Answer:
Both the respiratory and circulatory systems works in coordination in order to purify the blood.The heart continuously pumps blood and the lungs at alveolar sacs the CO2 and O2 get exchanged.Continuously through the diffusion.
From body parts the blood reaches at heart through Vena cava To right atrium,then from Right ventricle through pulmonary artery it reaches to lungs and get purified.Form there it again comes back to heart through pulmonary vein and again through Aorta it again reaches to the body parts.
Hope it helps....
Answer:
well for one if you have any younger sibling they usaully are following you around or your parents probally to make sure what their doing is right. Some might feel lonely so thats why they follow after people. I think reallt overall they are dependant on others because their tryibg to figure out whats right or wrong.
Explanation:
Hope that makes sense and helps
I believe that is TRUE. I apologize if that is wrong, but i hope I helped!