Um is there answers like u chose one a b c or d and if so what and i think i know the answer
Answer:
That he is having a stroke or he is put into cardiac arrest.
Explanation:
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:
Subtract your age from 220 to get your maximum heart rate. Calculate your resting heart rate by counting how many times your heart beats per minute when you are at rest, such as first thing in the morning.
