It all began in the heart, through systemic circulation. This meant the blood in the heart had been oxygenated, ready to be delivered. To embark on its journey to the rest of the body, but as well to pick up carbon dioxide and waist. This is the circulatory system center, and one of the most impor system. For it keep all part function, like the brain, who conor other all other part. Sending signal, that may send hormones when problems arise increases the heart rate or decrease it.

Out from the many red blood cells, one single drop awoke confused and lonely. Her name was Ponyo, and she flowed with the contraction of open mitral valve to the left ventricle, being pushed to the aorta.

Traveling still alone and confused, down with the current of the aorta. She bumped into another red …show more content…
“that's really thoughtful of you Ponyo, but don't worry, I can make it to the renal artery in time. Now you must go do your job, you're still all red. Deliver that oxygen soon, it will be needed.

“Why?” Ponyo exclaimed. .

“Why? Don't ask silly questions, it's your purpose, it's your job. Now keep moving i'll do same” said the ill cell slowly.

As ponyo saw the ill red blood cell takes it’s way, she found herself feeling said. She knew she had to do her job, that is was her purpose, but she didn't understand if that was all her existence meant.Snuffling her watery eyes, she felt insifingtificat, alone, wishing to understand more.

Without tracing her track ponyo was located in the popliteal artery, where there seem to be comtion at hand. In a rush many platelets rushed passed ponyo and to a open wound. They all stuck together forming a clot. Out from behind came a white blood cell yelling.
“We must protect the body ! don't let any germs or disease survive, It's our duty as part of the immune system.” Ponyo looked at the white blood cell in astonishment, admiring its great sense of duty, forgetting her