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: You should eat good food and exercise everyday
Explanation:
I do believe it's all of the above. Although, it might not be trouble sleeping. That might be true in some cases, but not in all.
Answer:
expectancy means: the state of thinking or hoping that something, especially something pleasant, will happen or be the case.
Explanation:
