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The Heart
The job of your heart is to pump blood through your body. Even in your sleep, your heart keeps beating, or pumping blood. If it stopped, you would quickly die. Your heart is divided into two sides separated by a septum. The left side of your heart is filled with oxygen-rich blood, while the right side of your heart is filled with oxygen-poor blood. Each side of your heart is further broken into two chambers known as the atrium and the ventricle.Each side of the heart has an atrium and a ventricle for a total of four chambers. Explicación
Arteries, Capillaries and Veins
Your arteries carry blood from your heart out to the rest of your body. They have very thick walls which allow them to withstand the immense pressure created as your heart pumps blood forcefully. As blood travels outward, the arteries become smaller and smaller until eventually the blood enters into what are known as capillaries. Capillaries are so tiny that blood usually can only get through one cell at a time. It is within the capillaries that oxygen is taken in by the cells, and waste, such as carbon dioxide, is released into the blood.
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CIRCULATORY SYSTEM
The circulatory system is centred on the heart is a muscular organ that do pumps that means that your heart is making blood.
BLOOD VESSELS
If an adult’s blood vessels were laid end to end, they would stretch out over 100,000 km (62,500 miles). There are three main types of vessel.
TYPES OF BLOOD VESSELS
Arteries have relatively thick elastic walls that enable them to withstand the high pressure of blood pumped from the heart. By the time the blood has been forced through capillaries and arrived in veins, its pressure has dropped, so veins have thinner walls.
Game: Kahoot
Game: Kahoot
Her we have all of circulatory system.
David, Nico, Adri.
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